Move contacts common LetterTile class into its own package.

A subsequent change will move the ContactPhotoManager related code,
eventually enabling the removal of contacts/common.

Bug: 37208805
Test: TAP
PiperOrigin-RevId: 161724700
Change-Id: Ice0789951ae544f6e27bcdaab0c032b218c83613
23 files changed
tree: 1d39068c819a5f9ee87664c7fe2f58cbf4b04c3c
  1. assets/
  2. java/
  3. Android.mk
  4. AndroidManifest.xml
  5. LICENSE