Make build script compatible with klp and up

It gets rid of c++11 and makes build script compatible with klp and up.

It also includes GL headers here, because headers in framework/native
might be different across API levels.

Change-Id: Ida425416a392cef878256965d69b54afe42b7263
27 files changed
tree: dd30db3e208f836e04036d47f79906d35f66eaac
  1. host/
  2. shared/
  3. system/
  4. tests/
  5. Android.mk
  6. common.mk
  7. README