initial commit for android 4.3
Update fstab.qcom to Android 4.3
Update ril to Android 4.3
BoardConfig: add TARGET_CPU_VARIANT := cortex-a8 new Android 4.3
 BoardConfig: Remove deprecated flag TARGET_USE_SCORPION_BIONIC_OPTIMIZATION
cameraHAL: Remove deprecated #include <gui/ISurface.h>
Update overlay to Android 4.3
BoardConfig: set legacy fb flag
enable QC AV feature set