Improve Video & Audio Camera Bitrates
[*] Use MP4 Instead of 3GP for camera recordings
[*] Improove AAC audio codec Bitrate&Samplerate
[*] Increase Image encoding quality and minimum frame rate
[*] Add 720p recording capability in front camera

Original: https://github.com/P880-dev/android_device_lge_p880/commit/f73a94b1b2b24d200b828e6633f8c57c3a3bee6f