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:066eff80abf013531320b8280637d1d00dd553a1
Merged-In: I0c4ac8eaa8966027ad01375dde58b05febec3ffb
Change-Id: I0c4ac8eaa8966027ad01375dde58b05febec3ffb
1 file changed