Merging ub-launcher3-qt-r1-dev, build 5759495

Test: Manual

Bug:136199516 P2 StatsLogCompat crashes when running ThemePicker build
Bug:137652108 P4 Only accept Themes Stub as a system app
Change-Id: I7701b0763be2f8eb879dd18111ca9f850d36cf02
tree: b3b925f996c02d558d2c4fca2112d454f4c4b36a
  1. res/
  2. robolectric_tests/
  3. src/
  4. src_override/
  5. Android.mk
  6. AndroidManifest.xml