Run postsubmit test

Bug: 145264421
Test: atest :postsubmit
Change-Id: I9bfa9c3b29e563d29fa343d905b3ff5ed29bb4e6
diff --git a/TEST_MAPPING b/TEST_MAPPING
new file mode 100644
index 0000000..8061cb4
--- /dev/null
+++ b/TEST_MAPPING
@@ -0,0 +1,12 @@
+{
+  "postsubmit": [
+    {
+      "name": "SettingsUnitTests",
+      "options": [
+        {
+          "exclude-annotation": "androidx.test.filters.FlakyTest"
+        }
+      ]
+    }
+  ]
+}