libldac-encode_fuzzer: Bug Fix am: b0b2df3f09 am: 31aa7ddc23 am: a01f8664df am: b05903278d

Original change: https://android-review.googlesource.com/c/platform/external/libldac/+/2015996

Change-Id: I506b59e85870f27f4811f226bf2dc0bab9490adb
Signed-off-by: Automerger Merge Worker <[email protected]>