Add acloud_test to host-unit-tests suite

Bug: 172006742
Test: m
Change-Id: If7a7885b810e29bf682e21aadae30593ac811cd4
diff --git a/Android.bp b/Android.bp
index c980e44..2f84b9f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -100,7 +100,10 @@
         "py-oauth2client",
     ],
     test_config: "acloud_unittest.xml",
-    test_suites: ["general-tests"],
+    test_suites: [
+        "general-tests",
+        "host-unit-tests",
+    ],
 }
 
 python_library_host {