Adding postsubmit tests for JobScheduler.

Enabling postsubmit tests for the JobScheduler files
in the JobScheduler mainline module.

Bug: 146453470
Test: cd to directory and run "atest"
Change-Id: Ie2536591f8b0e53790f16f15b27628a1f1690c4f
(cherry picked from commit 888fe19c4b4f91419db2955059cec925513d25e0)
diff --git a/apex/jobscheduler/service/java/com/android/server/job/TEST_MAPPING b/apex/jobscheduler/service/java/com/android/server/job/TEST_MAPPING
new file mode 100644
index 0000000..9a7d55a
--- /dev/null
+++ b/apex/jobscheduler/service/java/com/android/server/job/TEST_MAPPING
@@ -0,0 +1,19 @@
+{
+    "postsubmit": [
+        {
+            "name": "CtsJobSchedulerTestCases"
+        },
+        {
+            "name": "FrameworksMockingServicesTests",
+            "options": [
+                {"include-filter": "com.android.server.job"}
+            ]
+        },
+        {
+            "name": "FrameworksServicesTests",
+            "options": [
+                {"include-filter": "com.android.server.job"}
+            ]
+        }
+    ]
+}