[automerger skipped] Add missing permission check to offerNetwork am: a127830145 -s ours

am skip reason: Merged-In If71ce012f927a34c647d36b5eaf3723de2c01879 with SHA-1 ff65257bd0 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/31944495

Change-Id: I072157e6bfef9aa02280487712d556ba67fb490b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>