fix test failure by wrapping createContextAsUser with catch block

android growler reported some new test failures in
android.telephony2.cts.TelephonyManagerNoPermissionTest due to a
recent change in TelecomManager#enforceCallingPackage.  The test
failed at the createContextAsUser API call in
callingUidMatchesPackageManagerRecords.  I've added a try/catch
around the createContextAsUser and the method will throw a SE
if the catch block is executed.

I've also fixed some log spew in isPrivilegedUid

Test: manual
Bug: 258729003
Change-Id: I0877a8410349cfe613d05cd71a615704ca5b2720