Create integration tests for Nearby Mainline module.

This test can ensure Nearby service available as System API
and not available for untrusted app.

Test: atest NearbyIntegrationPrivilegedTests NearbyIntegrationUntrustedTests
BUG: 214495869
Change-Id: I914bc9581c85f60db095ff58b167b2c8045a6659
diff --git a/nearby/TEST_MAPPING b/nearby/TEST_MAPPING
index f8e2afd..dbaca33 100644
--- a/nearby/TEST_MAPPING
+++ b/nearby/TEST_MAPPING
@@ -2,6 +2,12 @@
   "presubmit": [
     {
       "name": "NearbyUnitTests"
+    },
+    {
+      "name": "NearbyIntegrationPrivilegedTests"
+    },
+    {
+      "name": "NearbyIntegrationUntrustedTests"
     }
   ],
   "postsubmit": [