Drop prebuilt files to android source tree. am: 06351e163a

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/module_sdk/SdkExtensions/+/14733417

Change-Id: I1bd8daa2089833e24dc12154774de7ff3ddd7d01
tree: 2d986c62d9447b9069b86257bc8772733517938b
  1. .prebuilt_info/
  2. current/
  3. licenses/
  4. sdk_library/
  5. Android.bp
  6. OWNERS