Mark AppOpsManager.setMode() @TestApi.

There's a CTS test that accesses this via reflection, which we want to fix: AppOpsTest.testSetMode().

Test: make CtsPermissionTestCases -j32 && cts-tradefed run singleCommand cts-dev -m CtsPermissionTestCases --test android.permission.cts.AppOpsTest
Change-Id: I8e62d55271caaa730c4233f761145f90cc34111c
Bug: 71626306
2 files changed