Add AvfRkpdAppIntegrationTests to avf-postsubmit tests

The test will be added to busytown test config in cl/611063159.

Bug: 325610326
Test: atest AvfRkpdAppIntegrationTests
Change-Id: I1d172a48da0fba763b5aeebc6ae885a11c35f7d9

TEST_MAPPING

diff --git a/TEST_MAPPING b/TEST_MAPPING
index 89d4552..ec9042c 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -57,6 +57,11 @@
     },
     {
       "name": "AVFHostTestCases"
+    },
+    {
+      // TODO(b/325610326): Add this target to presubmit once there is enough
+      // SLO data for it.
+      "name": "AvfRkpdAppIntegrationTests"
     }
   ],
   "postsubmit": [