EGL: implement loading and saving the cache

This change adds support for saving and loading the contents of the EGL
cache.  It also adds some simple tests for the EGL cache.

Change-Id: I18e5e789e0897a0783d29d1c1e64d26de2dd44c4
5 files changed
tree: 0e5584031c1275db67e8c423d398b29f445c5c98
  1. cmds/
  2. include/
  3. libs/
  4. opengl/
  5. services/
  6. MODULE_LICENSE_APACHE2
  7. NOTICE