[RESTRICT AUTOMERGE]: Add STS annotations for RemovePermissionTest

Also fixed a typo in InstallPermissionEscalatorApp that was causing
failures on subsequent test runs.

Bug: 155648771
Test: atest RemovePermissionTest # run twice
Test: sts-tradefed run sts-engbuild-no-spl-lock -m CtsPermissionTestCases -t android.permission.cts.RemovePermissionTest # run twice
Change-Id: I2e68040c61d0afcc3699308f7d5fb38d0f4bac0b
6 files changed