Update mainline prebuilts to build 6640873.

Taken from branch aosp-master.

Change-Id: I0a0dfa3852db30ad31dd0bc6d0582d1d9d185594
1302 files changed
tree: ab40a41a97f52d4afe15b88a7d326fb712edc830
  1. appcompat/
  2. common/
  3. mainline/
  4. .gitallowed
  5. adb
  6. Android.mk
  7. update.py