SurfaceTexture: add a blit-to-FBO test
SurfaceTexture: add a blit-to-FBO test

This change adds a test for blitting (via GL rendering) from a
SurfaceTexture to an FBO.

Change-Id: Ib3386fcc3f37153277f3e37a26347441bb80ab58

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