Log callingUid from setUidMode

...because for non-systemuid-sourced binder calls, the
logged stack trace currently tells us basically nothing
except that someone called AppOpsService::setUidMode.

Change-Id: Ia107e8f70d9fb5c53a157b189050483eb45e8e70
Bug: 341219398
Test: presubmit
1 file changed