[automerger skipped] [DO NOT MERGE] passpoint: validate decorated identity prefix am: 928d3b40a9 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Wifi/+/20038288

Change-Id: Icc2738173fb3984287490f2594fe7373fb40a9b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>