shows results list in portrait on tablet.
shows split in landscape on portrait.
Since email currently has no concept of saving the currently
selected message on orientation changes, there are some issues changing orientation
and restoring to the correct search state.
fixes coming in the next cl.
Change-Id: Ib0b98c4018c2ae0fabc2c78dfce4d3a197837d4f
Added the base class for the UI controllers and the 1-pane implementaion,
which is almost empty at this point.
The old phone activities still exist and will be used on the phone by default.
To use the new activity (1-pane EmailActivity) on the phone, use the following
comamnd.
adb shell am start -a android.intent.action.MAIN \
-d '"content://ui.email.android.com/view/mailbox"' \
-e DEBUG_PANE_MODE 1
Change-Id: Id1fe85d4517778afc967d7d5e17e1299dd1bfefd
Mindy Pereira