BluetoothMidi: ignore reserved bit in header

The BLE-MIDI spec defines bit 6 as reserved.
The decoder was checking to make sure it was zero.
But that would prevent it from being used in the future.
So now it ignores the reserved bit.

Bug: 149927520
Test: atest BluetoothMidiTests
Change-Id: Ibd2054c4dbf01941da56727b49dec23dc65088c0
1 file changed