ThemePicker: "Apply theme" initial implementation

Use the current API to apply the packages for a given theme.
Still pending is storing the applied overlay packages, and applying the
default theme.

Bug: 120559294

Change-Id: I7c15f8ab94b1dec8576141eaecd4f3e059249fb1
7 files changed
tree: 141dd704bd04724c3ca935e1de7c8e37ba389f15
  1. res/
  2. src/
  3. src_override/
  4. Android.mk
  5. AndroidManifest.xml