WebRTC: Update compile targets for Android GN bots

WebRTC: Update compile targets for Android GN bots

The bots were flipped to GN in https://codereview.chromium.org/1973663002/
but the compile targets needs to be generated only from the
MB config (the android_builder_chromium_webrtc target doesn't
exist in GN).

BUG=610959, 610974
TBR=phoglund@chromium.org

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=300554

[kjellander_chromium, 2016-05-12 05:42:10]

TBRing to green up the build.

[kjellander_chromium, 2016-05-12 05:42:24]

The CQ bit was checked by kjellander@chromium.org

[commit-bot: I haz the power, 2016-05-12 05:42:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1971113002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1971113002/1

[commit-bot: I haz the power, 2016-05-12 05:45:49]

Description was changed from

==========
WebRTC: Update compile targets for Android GN bots

The bots were flipped to GN in https://codereview.chromium.org/1973663002/
but the compile targets needs to be generated only from the
MB config (the android_builder_chromium_webrtc target doesn't
exist in GN).

BUG=610959,610974
TBR=phoglund@chromium.org
==========

to

==========
WebRTC: Update compile targets for Android GN bots

The bots were flipped to GN in https://codereview.chromium.org/1973663002/
but the compile targets needs to be generated only from the
MB config (the android_builder_chromium_webrtc target doesn't
exist in GN).

BUG=610959,610974
TBR=phoglund@chromium.org

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=300554
==========

[commit-bot: I haz the power, 2016-05-12 05:45:50]

Committed patchset #1 (id:1) as
http://src.chromium.org/viewvc/chrome?view=rev&revision=300554

[phoglund_chromium, 2016-05-12 09:25:25]

lgtm