For HTC Devices: enable support for qtr framebuffering

Change-Id: I904f13854eba04d833b257645bb35b2f95b6fa79
Fix OpenGL stub exception handling.

Bug: https://code.google.com/p/android/issues/detail?id=60390
Change-Id: I2bdc22c5fe75f5e41ffb9dd9259ae92cf8a12917
frameworks/native: Increase EGL blob cache size limits

Increase the size of the EGL Blob Cache to 2MB and the key size to 4K.
This helps improve the performance of OpenGL apps, especially Open GLESv1.1
apps whose shaders are generated on the fly.

CRs-fixed: 393074

Change-Id: Ic3772a9722b63351c940d40794cf54073a8b5eed