libfmjni: Resolve FM_DEVICE_PATH R/O open flag

 * libfm_jni/FmRadioController.cpp:96:58:
    error: 'open' has superfluous mode bits; missing O_CREAT?

 * jni/android_hardware_fm.cpp:668:47:
    error: 'open' has superfluous mode bits; missing O_CREAT?

Change-Id: I3f4f3bf4e27ea55539ec81b2e59b17be6dcb0892
1 file changed