Fix issue 2076322: AudioService, too many stream volume steps.
Fix issue 2076322: AudioService, too many stream volume steps.

MAX_STREAM_VOLUME[] now contains the maximum valid index instead of the number of indexes for all stream types.

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