emulator opengl: OpenglSystemCommon library shared between gralloc/EGL/GLES.

This is a static library of utilities shared between the emulator opengl
system components, gralloc, EGL, GLES. In includes host connection functionality
and access to OpenGL TLS info.

Change-Id: Ic63a6f7384a2035308ca6d316c747f0e6c6f2ef3
5 files changed