Revert of Make generate_gradle.py work with preview SDKs.

Revert of Make generate_gradle.py work with preview SDKs. (patchset #1 id:1 of https://codereview.chromium.org/2724513003/ )

Reason for revert:
Breaks when CWD != output_dir

Original issue's description:
> Make generate_gradle.py work with preview SDKs.
> 
> This just tweaks the values of buildToolsVersion and compileSdkVersion,
> which were not being set in a way compatible with preview SDKs.
> 
> BUG=620034
> 
> Review-Url: https://codereview.chromium.org/2724513003
> Cr-Commit-Position: refs/heads/master@{#453737}
> Committed: https://chromium.googlesource.com/chromium/src/+/1a04e1cf3d4912300d625a57318bc6f2ba53ba79

TBR=estevenson@chromium.org,nyquist@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=620034
Review-Url: https://codereview.chromium.org/2722973002
Cr-Commit-Position: refs/heads/master@{#453788}
Committed: https://chromium.googlesource.com/chromium/src/+/aa0d524b8614ab29c29b960ea87c7df647b99a03

[agrieve, 2017-03-01 01:24:38]

The CQ bit was checked by agrieve@chromium.org

[agrieve, 2017-03-01 01:24:39]

Created Revert of Make generate_gradle.py work with preview SDKs.

[commit-bot: I haz the power, 2017-03-01 01:25:02]

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

[nyquist, 2017-03-01 01:25:05]

lgtm

[commit-bot: I haz the power, 2017-03-01 01:26:23]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488331478968810, "parent_rev":
"a0da9656389f8458c852fc4a2c4e312c69d7deb8", "commit_rev":
"aa0d524b8614ab29c29b960ea87c7df647b99a03"}

[commit-bot: I haz the power, 2017-03-01 01:27:21]

Description was changed from

==========
Revert of Make generate_gradle.py work with preview SDKs. (patchset #1 id:1 of
https://codereview.chromium.org/2724513003/ )

Reason for revert:
Breaks when CWD != output_dir

Original issue's description:
> Make generate_gradle.py work with preview SDKs.
> 
> This just tweaks the values of buildToolsVersion and compileSdkVersion,
> which were not being set in a way compatible with preview SDKs.
> 
> BUG=620034
> 
> Review-Url: https://codereview.chromium.org/2724513003
> Cr-Commit-Position: refs/heads/master@{#453737}
> Committed:
https://chromium.googlesource.com/chromium/src/+/1a04e1cf3d4912300d625a57318b...

TBR=estevenson@chromium.org,nyquist@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=620034
==========

to

==========
Revert of Make generate_gradle.py work with preview SDKs. (patchset #1 id:1 of
https://codereview.chromium.org/2724513003/ )

Reason for revert:
Breaks when CWD != output_dir

Original issue's description:
> Make generate_gradle.py work with preview SDKs.
> 
> This just tweaks the values of buildToolsVersion and compileSdkVersion,
> which were not being set in a way compatible with preview SDKs.
> 
> BUG=620034
> 
> Review-Url: https://codereview.chromium.org/2724513003
> Cr-Commit-Position: refs/heads/master@{#453737}
> Committed:
https://chromium.googlesource.com/chromium/src/+/1a04e1cf3d4912300d625a57318b...

TBR=estevenson@chromium.org,nyquist@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=620034

Review-Url: https://codereview.chromium.org/2722973002
Cr-Commit-Position: refs/heads/master@{#453788}
Committed:
https://chromium.googlesource.com/chromium/src/+/aa0d524b8614ab29c29b960ea87c...
==========

[commit-bot: I haz the power, 2017-03-01 01:27:22]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/aa0d524b8614ab29c29b960ea87c...

[agrieve, 2017-03-01 02:16:09]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2727523002/ by agrieve@chromium.org.

The reason for reverting is: will fix..