Snap for 9617930 from dfb0b6e960c10be916541250ac2f81845a125538 to udc-release am: eafc399bc0

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/libpng/+/21471972

Change-Id: Ieaef536ebde40d83fba86bd3055f9b24ab9ad9a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>