Add RootTargetPreparer for explicitly specifying the root dependency

Before, the test gets root implicitly via DeviceSetup which
wasn't intented.

Change-Id: Ib227960223dca1f4b4b73601d1e36ccd93d078e5
Merged-In: I4b86fd5ee31f746942a2bf073a29cb2180a39f27
Test: presubmit
Bug: 330749511

parent 73a43831

tests/BootImageProfileTest/AndroidTest.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -14,6 +14,7 @@
		limitations under the License.
		-->
		<configuration description="Config for BootImageProfileTest">
		<target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer" />
		<!-- do not use DeviceSetup#set-property because it reboots the device b/136200738.
		furthermore the changes in /data/local.prop don't actually seem to get picked up.
		-->