Use mediaprovider_module/source_build instead of ANDROID/module_build_from_source.

MP started using its own soong variable (ag/25019674, ag/25019749), so
the prebuilts' Android.bp will need changes accordingly.

Bug: 294190883
Test: m
Change-Id: I840984212079164a6ccec98823b909cb208d7ca3
2 files changed
tree: 46dd59f4529790a5dace296b8c2a09e421118f5a
  1. .prebuilt_info/
  2. 1/
  3. 2/
  4. 3/
  5. 5/
  6. 7/
  7. 8/
  8. current/
  9. go/
  10. OWNERS