Revert of Multiprocess test client: Android child process launcher rework.

Revert of Multiprocess test client: Android child process launcher rework. (patchset #21 id:400001 of https://codereview.chromium.org/2549363004/ )

Reason for revert:
Breaks build on Android Cronet ARM64 Builder (dbg)

Original issue's description:
> Multiprocess test client: Android child process launcher rework.
> 
> Changing the way test start child processese on Android.
> Forking natively should not be used on Andoid, instead child processes
> should be started through the Android framework, which requires going
> to Java and using Android services.
> 
> For that we introduce the MultiprocessTestClientLauncher java class
> which starts a service in a new process. We provide several
> MultiprocessTestClientService service classes to ensure we can have
> multiple child processes.
> File descriptor are passed from the parent to the child process as
> Parcelable, and we use the GlobalDescriptors class to register them.
> 
> TEST=Run the mojo_system_unittests
> BUG=666356
> 
> Review-Url: https://codereview.chromium.org/2549363004
> Cr-Commit-Position: refs/heads/master@{#441799}
> Committed: https://chromium.googlesource.com/chromium/src/+/5513e4622febbc838dfebddb51347ab797747836

TBR=rockot@chromium.org,nyquist@chromium.org,boliu@chromium.org,thakis@chromium.org,dpranke@chromium.org,sdefresne@chromium.org,dcheng@chromium.org,rsesek@chromium.org,eroman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=666356
Review-Url: https://codereview.chromium.org/2613183002
Cr-Commit-Position: refs/heads/master@{#441825}
Committed: https://chromium.googlesource.com/chromium/src/+/8f2c67087919621e412ac9a5e82a2e719de80362

[Jay Civelli, 2017-01-06 02:15:43]

The CQ bit was checked by jcivelli@chromium.org

[Jay Civelli, 2017-01-06 02:15:44]

Created Revert of Multiprocess test client: Android child process launcher
rework.

[commit-bot: I haz the power, 2017-01-06 02:16:12]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-01-06 02:18:04]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1483668943690350, "parent_rev":
"efa56265d8881a61f53d1a5c4f46f54db6c03077", "commit_rev":
"8f2c67087919621e412ac9a5e82a2e719de80362"}

[commit-bot: I haz the power, 2017-01-06 02:18:34]

Description was changed from

==========
Revert of Multiprocess test client: Android child process launcher rework.
(patchset #21 id:400001 of https://codereview.chromium.org/2549363004/ )

Reason for revert:
Breaks build on Android Cronet ARM64 Builder (dbg)

Original issue's description:
> Multiprocess test client: Android child process launcher rework.
> 
> Changing the way test start child processese on Android.
> Forking natively should not be used on Andoid, instead child processes
> should be started through the Android framework, which requires going
> to Java and using Android services.
> 
> For that we introduce the MultiprocessTestClientLauncher java class
> which starts a service in a new process. We provide several
> MultiprocessTestClientService service classes to ensure we can have
> multiple child processes.
> File descriptor are passed from the parent to the child process as
> Parcelable, and we use the GlobalDescriptors class to register them.
> 
> TEST=Run the mojo_system_unittests
> BUG=666356
> 
> Review-Url: https://codereview.chromium.org/2549363004
> Cr-Commit-Position: refs/heads/master@{#441799}
> Committed:
https://chromium.googlesource.com/chromium/src/+/5513e4622febbc838dfebddb5134...

TBR=rockot@chromium.org,nyquist@chromium.org,boliu@chromium.org,thakis@chromi...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=666356
==========

to

==========
Revert of Multiprocess test client: Android child process launcher rework.
(patchset #21 id:400001 of https://codereview.chromium.org/2549363004/ )

Reason for revert:
Breaks build on Android Cronet ARM64 Builder (dbg)

Original issue's description:
> Multiprocess test client: Android child process launcher rework.
> 
> Changing the way test start child processese on Android.
> Forking natively should not be used on Andoid, instead child processes
> should be started through the Android framework, which requires going
> to Java and using Android services.
> 
> For that we introduce the MultiprocessTestClientLauncher java class
> which starts a service in a new process. We provide several
> MultiprocessTestClientService service classes to ensure we can have
> multiple child processes.
> File descriptor are passed from the parent to the child process as
> Parcelable, and we use the GlobalDescriptors class to register them.
> 
> TEST=Run the mojo_system_unittests
> BUG=666356
> 
> Review-Url: https://codereview.chromium.org/2549363004
> Cr-Commit-Position: refs/heads/master@{#441799}
> Committed:
https://chromium.googlesource.com/chromium/src/+/5513e4622febbc838dfebddb5134...

TBR=rockot@chromium.org,nyquist@chromium.org,boliu@chromium.org,thakis@chromi...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=666356

Review-Url: https://codereview.chromium.org/2613183002
Cr-Commit-Position: refs/heads/master@{#441825}
Committed:
https://chromium.googlesource.com/chromium/src/+/8f2c67087919621e412ac9a5e82a...
==========

[commit-bot: I haz the power, 2017-01-06 02:18:36]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/8f2c67087919621e412ac9a5e82a...