BluetoothMidiDevice: change write type to support JamStik

Temporarily use a Request instead of a Command so that the JamStik
will be properly enabled.

Bug: 24207964
Change-Id: I3d11732958c46e6039405b5969d5af0db8032fb9
Signed-off-by: Phil Burk <philburk@google.com>
(cherry picked from commit 95129f50c68c734c5ebdf32ff6b8b9c63cc1ada7)
1 file changed