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Merge changes I96f8ad86,I84dcd82e,Ifcece69f
authorRob Carr <racarr@google.com>
Wed, 25 Jan 2017 19:14:27 +0000 (19:14 +0000)
committerAndroid (Google) Code Review <android-gerrit@google.com>
Wed, 25 Jan 2017 19:14:27 +0000 (19:14 +0000)
commite895863cca8c23bd65d2d21211f81e457b48416d
tree66e8aca52cd3f9c996e7751526e97800aa74be99
parent2a03c32a4e9089e941335cb496a21509ab5ba5ec
parent1f0a16a5d7cd00ba7fda82e7d315afa1fd1303b9
Merge changes I96f8ad86,I84dcd82e,Ifcece69f

* changes:
  SurfaceFlinger and libgui: Support for child layers.
  SurfaceFlinger: Use traversal functions to iterate LayerList.
  SurfaceFlinger and libgui: Switch Z-order to signed type.