Enable bug report tests in pre/postsubmit

Bug: 155604488
Test: atest --test-mapping --dry-run \
          services/core/java/com/android/server/os:presubmit
Test: atest --test-mapping --dry-run core/java/android/os:presubmit
Change-Id: I054d05d4fa8ff02f1c404d0883c382a2d5911f88
diff --git a/packages/Shell/TEST_MAPPING b/packages/Shell/TEST_MAPPING
new file mode 100644
index 0000000..a149b5c
--- /dev/null
+++ b/packages/Shell/TEST_MAPPING
@@ -0,0 +1,31 @@
+{
+  "presubmit": [
+    {
+      "name": "CtsBugreportTestCases",
+      "options": [
+        {
+          "exclude-annotation": "androidx.test.filters.LargeTest"
+        }
+      ]
+    },
+    {
+      "name": "ShellTests",
+      "options": [
+        {
+          "exclude-annotation": "androidx.test.filters.LargeTest"
+        },
+        {
+          "exclude-annotation": "androidx.test.filters.FlakyTest"
+        }
+      ]
+    }
+  ],
+  "postsubmit": [
+    {
+      "name": "CtsBugreportTestCases"
+    },
+    {
+      "name": "ShellTests"
+    }
+  ]
+}