added possible fix unknown baseband/incompatible device in play store

Change-Id: I9d5aaf5d7235e8d418ac47f28d62b6812083c98c
added slim_p930 to lunch menu

Change-Id: I5b877a4dd86e38072343bbb2536aa7e64d9aa664
merged from vendor/cm

Change-Id: I39965f144e7640dd350957596ff6af2a5baf78c1