TEST_MAPPING: test dependers of this crate

Bug: 168167373
Test: TH
Change-Id: I0c297e9d0cbfb65399c3bc2d41b2834c2be1859e
diff --git a/TEST_MAPPING b/TEST_MAPPING
index d13b08f..cd930d1 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -2,8 +2,8 @@
 {
   "presubmit": [
     {
-      "name": "rand_core_host_test_src_lib",
-      "host": true
+      "host": true,
+      "name": "rand_core_host_test_src_lib"
     },
     {
       "name": "rand_core_device_test_src_lib"