Quick Settings: Swipe to switch (cherrypick from cm)

Adds the ability to switch to / from Quick Settings, using a sideways
swipe gesture.

Original patch by Thiago Vinícius Freire de Araújo Ribeiro

Change-Id: I5741530cfb313cc5eb46a16342785dc6ddc13e55
Quick Settings: Add visual indicator of ON/OFF Setting of Mobile Data tile

Based on an commit by DvTonder / CM

Change-Id: I7dc0c8943df7a9478655bdde6745662c3831288f
Quick Settings: Swipe to switch (cherrypick from cm)

Adds the ability to switch to / from Quick Settings, using a sideways
swipe gesture.

Original patch by Thiago Vinícius Freire de Araújo Ribeiro

Change-Id: I5741530cfb313cc5eb46a16342785dc6ddc13e55
Merge commit '994acc8' into android-4.4
Cherrypick Merge.