attempt to fix a deadlock in SurfaceTextureClient::disconnect
attempt to fix a deadlock in SurfaceTextureClient::disconnect

- condition wasn't signaled if an error happened between acquire and release
- also replace signal with broadcasts

Bug: 6109450
Change-Id: Iaf9371b829f772f559daae42e06d4dbd9505d6a0

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