Add test config for adbd_test and apply MainlineTestModuleController to it

to only run the tests when com.google.android.adbd is

installed on device.

Bug: 154845935
Test: m mts && mts-tradefed run mts-adbd
Change-Id: I2f203d25288580a07391703e2b28df54479a69f0
diff --git a/adb/Android.bp b/adb/Android.bp
index 0394bf6..cb5c1df 100644
--- a/adb/Android.bp
+++ b/adb/Android.bp
@@ -679,6 +679,8 @@
         "mdns_test.cpp",
     ],
 
+    test_config: "adb_test.xml",
+
     shared_libs: [
         "liblog",
     ],