Update prebuilts/ndk/8 to r8d/r8c

1. Update prebuilts/ndk/8 to r8d release (*1), except for
2. sources/cxx-stl/gabi++ and sources/cxx-stl/stlport remain
   in r8c before exception handling support is added for r8d.
   Both will be upgraded to r8d once abi/ is upgraded to r8d's
   gabi++.
3. Add link 8/platforms/android-*

(*1) http://developer.android.com/tools/sdk/ndk/index.html

Change-Id: If61526b0f815a0f980ab19ffd10765a3b69ceb28
1016 files changed
tree: d660e60ac5f03d4dfc987199f531f8eac6ddccb5
  1. 4/
  2. 5/
  3. 6/
  4. 7/
  5. 8/
  6. Android.mk
  7. CleanSpec.mk