Revert of Android: Switch to thread pool executor

Revert of Android: Switch to thread pool executor (patchset #7 id:120001 of https://codereview.chromium.org/2562643004/ )

Reason for revert:
BackgroundSyncLauncherTest#testNewLauncherDisablesNextOnline fails.

Original issue's description:
> Android: Switch to thread pool executor.
>
> Switches BackgroundSyncLauncher to the thread pool executor and add
> comments explaining why AsyncTask is necessary.
>
> BUG=601053
>
> Committed: https://crrev.com/ad3ee42510afda09e00cb73c694bfa4626980d1d
> Cr-Commit-Position: refs/heads/master@{#438573}

TBR=iclelland@chromium.org,mariakhomenko@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601053
Committed: https://crrev.com/0be43188cb2345a40a73205bb65dd4164aa9d259
Cr-Commit-Position: refs/heads/master@{#438645}

[Peter Wen, 2016-12-14 22:00:07]

The CQ bit was checked by wnwen@chromium.org

[Peter Wen, 2016-12-14 22:00:07]

Created Revert of Android: Switch to thread pool executor

[commit-bot: I haz the power, 2016-12-14 22:00:46]

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, 2016-12-14 22:01:40]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481752807044580, "parent_rev":
"83c10938a784288ed8b8d616b5e9b673c70d952d", "commit_rev":
"28361e4158ab874b87fd6f9c4cf169d1b216feb5"}

[commit-bot: I haz the power, 2016-12-14 22:02:04]

Description was changed from

==========
Revert of Android: Switch to thread pool executor (patchset #7 id:120001 of
https://codereview.chromium.org/2562643004/ )

Reason for revert:
BackgroundSyncLauncherTest#testNewLauncherDisablesNextOnline fails.

Original issue's description:
> Android: Switch to thread pool executor.
> 
> Switches BackgroundSyncLauncher to the thread pool executor and add
> comments explaining why AsyncTask is necessary.
> 
> BUG=601053
> 
> Committed: https://crrev.com/ad3ee42510afda09e00cb73c694bfa4626980d1d
> Cr-Commit-Position: refs/heads/master@{#438573}

TBR=iclelland@chromium.org,mariakhomenko@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601053
==========

to

==========
Revert of Android: Switch to thread pool executor (patchset #7 id:120001 of
https://codereview.chromium.org/2562643004/ )

Reason for revert:
BackgroundSyncLauncherTest#testNewLauncherDisablesNextOnline fails.

Original issue's description:
> Android: Switch to thread pool executor.
> 
> Switches BackgroundSyncLauncher to the thread pool executor and add
> comments explaining why AsyncTask is necessary.
> 
> BUG=601053
> 
> Committed: https://crrev.com/ad3ee42510afda09e00cb73c694bfa4626980d1d
> Cr-Commit-Position: refs/heads/master@{#438573}

TBR=iclelland@chromium.org,mariakhomenko@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601053

Review-Url: https://codereview.chromium.org/2580503002
==========

[commit-bot: I haz the power, 2016-12-14 22:02:05]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-14 22:04:50]

Description was changed from

==========
Revert of Android: Switch to thread pool executor (patchset #7 id:120001 of
https://codereview.chromium.org/2562643004/ )

Reason for revert:
BackgroundSyncLauncherTest#testNewLauncherDisablesNextOnline fails.

Original issue's description:
> Android: Switch to thread pool executor.
> 
> Switches BackgroundSyncLauncher to the thread pool executor and add
> comments explaining why AsyncTask is necessary.
> 
> BUG=601053
> 
> Committed: https://crrev.com/ad3ee42510afda09e00cb73c694bfa4626980d1d
> Cr-Commit-Position: refs/heads/master@{#438573}

TBR=iclelland@chromium.org,mariakhomenko@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601053

Review-Url: https://codereview.chromium.org/2580503002
==========

to

==========
Revert of Android: Switch to thread pool executor (patchset #7 id:120001 of
https://codereview.chromium.org/2562643004/ )

Reason for revert:
BackgroundSyncLauncherTest#testNewLauncherDisablesNextOnline fails.

Original issue's description:
> Android: Switch to thread pool executor.
>
> Switches BackgroundSyncLauncher to the thread pool executor and add
> comments explaining why AsyncTask is necessary.
>
> BUG=601053
>
> Committed: https://crrev.com/ad3ee42510afda09e00cb73c694bfa4626980d1d
> Cr-Commit-Position: refs/heads/master@{#438573}

TBR=iclelland@chromium.org,mariakhomenko@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=601053

Committed: https://crrev.com/0be43188cb2345a40a73205bb65dd4164aa9d259
Cr-Commit-Position: refs/heads/master@{#438645}
==========

[commit-bot: I haz the power, 2016-12-14 22:04:51]

Patchset 1 (id:??) landed as
https://crrev.com/0be43188cb2345a40a73205bb65dd4164aa9d259
Cr-Commit-Position: refs/heads/master@{#438645}