Export near-ultrasound system properties via AudioManager.
Export near-ultrasound system properties via AudioManager.

Change-Id: I9b89c8743edd4afae1d2571ad0fedc59240a63e0

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base