Camera3: Handle the way fd stats are sent to frameworks
Camera3: Handle the way fd stats are sent to frameworks

1) report face detection stats for every frame even if number
   of faces is 0
2) Change the array size of the fd stats to MAX_ROI

Bug: 11118844
Change-Id: I3b80028adea3084b32f1153ceea300c823e69390

maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead