p350: Update Headers, Enable hardware vsync events

Change-Id: I85c08b2eab92b4defce68196d5fddb7498ee7c03
Hide app from Launcher - the app is available in Settings > Performance
Merge branch 'cm-10.1' of github.com:PecanCM/android_device_lge_p350 into cm-10.1
p350: use legacy fb

Change-Id: I95924178e2ea5988446dea8ba32442acdbdde783
p350: ignore .patch files

Change-Id: I980b7918150ad394a2701363b39621d094bd7a67