libEGL: workaround for google bug 10194508

Some of device's older blobs don't have EGL_KHL_gl_colorspace extension
and need this workaround

Change-Id: I811538e7d595f18055d13ca608098c049b4cb9b9
Merge "libEGL: workaround for google bug 10194508" into android-5.0
Merge pull request #4 from omnirom/android-5.0

Android 5.0