Pie Controls: Fix snap points position.

This commit reverts an error, introduced by the second pie
service commit, which causes the positions where the snap points
gets displayed to be inverted.

Change-Id: Iedaf6d4773c9ae45fb685d724fad6c35ecdeddf0
Pie Controls: Fix sound effects.

After the pie service commits, sound effects were broken for
HOME and BACK keys.

This commit fixes this, by moving the play back of the sound
effect from the injection directly to the onClick().

Change-Id: Id59848ccddac20cef80500f6e72d76afa97ae093
Merge "Pie Controls: Fix snap points position." into cm-10.1
Merge "Pie Controls: Fix sound effects." into cm-10.1
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_frameworks_base into cm-10.1-n7