Move stub and proxy libraries to android_api

Test: builds
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d1875d0a87b03983172a6042a66432cb50c548c8)
Merged-In: I1fc9537cebc67e6aa75bde62b118488352604a40
Change-Id: I1fc9537cebc67e6aa75bde62b118488352604a40
203 files changed
tree: 809ab42d9087f35b9f78e577495a42da8fcd4ce0
  1. android_api/
  2. Android.bp
  3. native_bridge_support.mk
  4. OWNERS