Implement Device Admin API for MMAC

Conflicts:
	api/current.txt
	core/java/android/app/admin/DevicePolicyManager.java

Change-Id: I1df507ced67fbcab8fdcde9cce78705b5e54e346

Conflicts:
	core/java/android/app/admin/DeviceAdminInfo.java
	core/java/android/app/admin/DevicePolicyManager.java
	core/java/android/app/admin/IDevicePolicyManager.aidl
	core/res/res/values/strings.xml
	core/res/res/values/symbols.xml
	services/java/com/android/server/DevicePolicyManagerService.java