Move wpa_supplicant_overlay to family

Change-Id: I3d2d50af6866fe30eb0164a1cdbef7387cd6096d
Enable 3 buffers at all times

This reduces overall jank system-wide

Change-Id: Id06c4e0b3e7a56277c267a520cc48bfc3d86c98a
Enable smooth-streaming video-playback

Change-Id: I4c992a49bd3197797f6436d65972b0fb4615ee7f
Merge branch 'cm-11.0' into martincz