Merge "Added amrwb_enc_fuzzer" am: 7e681bd40d am: bb20f1346a am: 793467064a am: db9ea6baf3

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1464542

Change-Id: Ie1b37a55a2f72477fa15d20fa9893898014b4281