Properly clean up after test.

Re-enable the JobService component after the test completes so that it
doesn't affect other tests.

Bug: 261827845
Test: atest CtsJobSchedulerTestCases:ComponentConstraintTest
Change-Id: I0e674293a0528d52864337ea4da61a6a99bddf1d
diff --git a/tests/JobScheduler/src/android/jobscheduler/cts/ComponentConstraintTest.java b/tests/JobScheduler/src/android/jobscheduler/cts/ComponentConstraintTest.java
index 1bbc61e..2ed4faa 100644
--- a/tests/JobScheduler/src/android/jobscheduler/cts/ComponentConstraintTest.java
+++ b/tests/JobScheduler/src/android/jobscheduler/cts/ComponentConstraintTest.java
@@ -35,6 +35,12 @@
         mBuilder = new JobInfo.Builder(COMPONENT_JOB_ID, kJobServiceComponent);
     }
 
+    @Override
+    public void tearDown() throws Exception {
+        setJobServiceEnabled(true);
+        super.tearDown();
+    }
+
     public void testScheduleAfterComponentEnabled() throws Exception {
         setJobServiceEnabled(true);
         kTestEnvironment.setExpectedExecutions(1);