CDD: Remove .ota as MIDI file extension am: 62da732a0d am: dab2c89c63 am: 1fb0d9dff0

Original change: https://android-review.googlesource.com/c/platform/compatibility/cdd/+/1610133

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I49935db2f50a3a1af9c5864748929a463710d892