Enforce deprecation policy for apps.

Android platform drops support for apps that target a
very old API level. Apps targeting version earlier than
Android Jelly Bean MR1 (2012) will show a warning dialog
when starting an activity.

Test: atest CtsActivityManagerDeviceTestCases:DeprecatedTargetSdkTest
Bug: 63926630
Change-Id: Ia849d67339d5172c09960725b6b1e200df0307d1