Make GL build script compatible with jb (and mr1.1, mr2)

Notice that in jb, the GL encoder is located in sdk/emulator/opengl. In
jb-mr1.1, the encoder is in development/tools/emulator/opengl.

After this patch, it should just work if you copy the opengl directory
from mnc to jb.

Change-Id: I4b6ba6daeb64315ecf72b52b142acbbccdc4dbe0
4 files changed
tree: 902dd92819e725b48c8c56bcee2dea5451c9833d
  1. host/
  2. shared/
  3. system/
  4. tests/
  5. Android.mk
  6. common.mk
  7. README