[Dialer] Change the dialer pad to white to fit kitkat style

Change-Id: If84b1c7fb09d3620fdab96321d55330d8f27ab53
Keep InCallUI in memory (2/3)

Here, we set the sharedUserId so the dummy InCallUI.apk can
share the process.

Change-Id: Idfb7fa760eacc8d6e46d50ce682fb06c0acfc8f4