margaritov color picker: add a proper landscape layout

preview:
https://s30.postimg.org/dvr6fyza9/Screenshot_20170104_155921.png

Change-Id: I5f044fdb001b82b686b426af8a6cc11d41b74d8b
1 file changed
tree: eba09078ff4a39b83ffeb9e8a14099afd944ac5c
  1. res/
  2. src/
  3. .gitreview
  4. Android.bp
  5. AndroidManifest.xml
  6. common.mk