android: rework the EGL build

See previous two commits for details.

v2: Don't forget git mv, bring back DRM_GRALLOC_TOP. Spotted by Varad.

Cc: Chih-Wei Huang <cwhuang@android-x86.org>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Matt Turner <mattst88@gmail.com>
Tested-by: Varad Gautam <varadgautam@gmail.com>
3 files changed