[automerger skipped] [DO NOT MERGE] passpoint: validate decorated identity prefix am: 331c100682 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Wifi/+/20035263

Change-Id: I231d9e2137424d457948698452de3357c71d107d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>