update manifest after syncing with cm

switch following projects to kk-4.4.3-caf branch
-vendor/mahdi
-external/bluetooth/bluedroid
-wpa_supplicant_8
-hardware_qcom_bt
-hardware_qcom_keymaster
-hardware_qcom_power
-hardware_qcom_wlan
-packages/apps/Bluetooth
-packages/apps/Camera2

Add extra projects
-system/qcom
-packages/apps/BluetoothExt
-external/stagefright-plugins
-external/ffmpeg