Merge "Merge "USB MIDI: Null check for mUsbMidiPacketConverter" into tm-dev...

Merge "Merge "USB MIDI: Null check for mUsbMidiPacketConverter" into tm-dev am: 0559661c am: 9d6f1eae" into tm-d1-dev-plus-aosp am: 133be700

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18529017



Change-Id: I033c707a4fec58162c3c9dd6206b34006bf954a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>