add system settings

Test: manually verified
Change-Id: Ie9c9b4ccea92a4601e4e0b9ff7f4bf75f8fef89a
16 files changed
tree: 8a1c84c0d85a139a9205044d4d87bda9a1851feb
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml