SurfaceFlinger: fix setting default buffer size
SurfaceFlinger: fix setting default buffer size

This change makes SurfaceFlinger update a SurfaceTextureLayer's default
buffer size in response to a window resize even if the Layer is in fixed
size mode.

Change-Id: I3871c8f19a045d03904d1284390cad7659be71ff
Bug: 5366426

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base