Merge Android R

Bug: 168057903
Merged-In: Ibe2b21465c2e62400f72bbb488944a7a641a91ee
Change-Id: Ifc0b07b6b25c05d488a87e14b0800e34921c46c6
tree: 33f4e5900bba51ec18cd919936b40581b0bab33c
  1. incfs/
  2. libdataloader/
  3. sysprop/
  4. .clang-format
  5. PREUPLOAD.cfg