WIP: egl/android: Support EGL_KHR_mutable_render_buffer (v2)

TODO: Add a DRI extension that informs the driver when the EGLSurface's
EGL_RENDER_BUFFER transitions to/from EGL_SINGLE_BUFFER. Enable
EGL_KHR_mutable_render_buffer only when the driver supports the DRI
extension.

v2: Add more logcat for debugging.

Change-Id: I005126d581ceefcd6b87d3ac771d52b201d1c8ad
6 files changed