MIDI: Power Boost when MIDI hardware sends data

When USB MIDI hardware sends bytes to Android, Android should set
power boost as if an interaction event just happened.

This change reduces the number of audio underruns.

Bug: 122678281
Test: Connect Akai MIDI USB Keyboard to MIDI Synth Ex
Test: Connect another Android phone as host to MIDI Synth Ex
Test: Collect perfetto traces and verify a difference
Change-Id: Ic95283813beb16e55d941f85f876124afa2f2794