Upgrade oss-fuzz to 947169dc86572e121c3e138f366a9f39ac6266ae am: f3764d0712 am: 1117028736

Original change: https://android-review.googlesource.com/c/platform/external/oss-fuzz/+/1662261

Change-Id: I8526ccfaeb10e35f986e2e8cc24c66e965584281