Merge changes from topic 'system-vendor-internal-pick'

* changes:
  libbase: fix build breakage
  libsync: vendor_available
  Remove VNDK warning.
  libbase: make vendor_available
  libcutils: vendor_available
  libbacktrace: make vendor_available
  libbase: add libbase_headers

Cr-Mirrored-From: https://chromium.googlesource.com/aosp/platform/system/core
Cr-Mirrored-Commit: 3dfaa4449136bb48b504a9d39e380e7665acf3d1
1 file changed
tree: 6735ede3571072051f02df69fdf53bb239ebe6bd
  1. Android.bp
  2. include/
  3. sw_sync.h
  4. sync.c
  5. sync_test.c
  6. tests/