Add TEST_MAPPING for vold.

Start with FuseDaemonHostTest and AdoptableHostTest, since these heavily
rely on functionality implemented in FUSE to work correctly.

Bug: 149095627
Test: run atest in system/vold
Change-Id: Ia583505aae260584897b0ea80c419b0e34f04735
diff --git a/TEST_MAPPING b/TEST_MAPPING
new file mode 100644
index 0000000..e1f3653
--- /dev/null
+++ b/TEST_MAPPING
@@ -0,0 +1,10 @@
+{
+  "presubmit": [
+    {
+      "name": "FuseDaemonHostTest"
+    },
+    {
+      "name": "AdoptableHostTest"
+    }
+  ]
+}