Upgrade oss-fuzz to 947169dc86572e121c3e138f366a9f39ac6266ae am: f3764d0712 am: 1117028736 am: 235e96b2f8

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

Change-Id: Ib7b7a79b38e1261c1d5fb4ccb1a5dfd106588996