Give camera permission to ledflash

 * Needed for Torch
camerahal: sync with ancora
ramdisk: add interactive timer_rate, picked from arco
system.prop: try set debug.egl.recordable.rgba8888 with older egl fb, picked from arco
build.prop: remove disabed zram
Revert "ancora_tmo: temp. remove zram - needs kernel module"

This reverts commit e52c62b1ece9ae884051daf246b91ac9c33c8ed6.
camerahal: revert back to adsp
move Gallery2 overlay to Camera2
ancora_tmo: try torch