Sample code for OpenGL Android training class

( Original Id: Ib1650025a3c4b018c60d70ede3f25113660f68d8 )

Change-Id: I1d760b75d1f2bfe1ec90c71471867577bd146241
(cherry picked from commit 66f6fe66331469618b4edf1e1e163a28ba5dea44)
20 files changed