Update AOSP Dialer source from internal google3 repository at cl/160679286.
am: d538e0b420

Change-Id: I060cb2739a8c0bc183ecc45d8684ab9e9946639c
tree: 04638b64ff49c88d13ca3471eea44c30681489dd
  1. assets/
  2. java/
  3. Android.mk
  4. AndroidManifest.xml
  5. LICENSE