Added libldac-encode_fuzzer am: ba39d802d7 am: 8113ef979a am: 198b34618d am: 1fe1528c29

Original change: https://android-review.googlesource.com/c/platform/external/libldac/+/2015995

Change-Id: I2d4a8689ef304f6dd4669fc7c6e8fd9e4b7f9edf
Signed-off-by: Automerger Merge Worker <[email protected]>