Ensure sandboxed UIDs are treated as untrusted in Appops

They should not be considered "system" app for the purposes of
attribution tag vaildation

Bug: 443742082
Test: atest AppOpsMemoryUsageTest
Flag: EXEMPT CVE_FIX
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:1bc6b146137f76589146dff5cd82363de7ccfb7d
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:9cacc6180df8eb4451a23f122f457e413a299911
Merged-In: I0c4ac8eaa8966027ad01375dde58b05febec3ffb
Change-Id: I0c4ac8eaa8966027ad01375dde58b05febec3ffb
1 file changed