update media codecs & profiles

Enable hardware decoding/encoding.

Change-Id: Ie155907473ffb53c5e5c2f650af6a925f40b381f
remove navbar height overlay

Not needed with customizable navbar height.
Change KeyguardSecurityContainer height to make more room for widgets on the lockscreen.

Change-Id: I0b03868fe833f4e2299cd2b33f68a271d1c9a6ac
Optimization for camera viewfinder (no software color conversions)

Change-Id: I0d061cf1d5d015c02040935cb05f807ce8928362
fix camera preview glitches

Thanks to psyke83 for catching this.

Change-Id: Idde6784f1bcd266d692e8c5fc541982b7f9a6c3b