Refresh prebuilts/ndk/9/platforms with r9b+, part 2/2

Part 2: add new API level 12, 13, 15, 16, 17 and 19

Change-Id: I305970f7766b3ed3e5faf2532952eaa03398fcbd
15087 files changed
tree: 6db6ed333d1275a724874c1f9d9d28d200397706
  1. 4/
  2. 5/
  3. 6/
  4. 7/
  5. 8/
  6. 9/
  7. Android.mk
  8. CleanSpec.mk