Fix and enable ConnOnActivityStartTest.

- Set parole duration to 0 so that it won't affect app standby test.
- Use a bound service to send commands to test app instead of broadcasts.
- Remove code to install/delete test app as it will be done as part of tests
  initialization.

Bug: 38432755
Test: forrest --extra_args='--class com.android.server.net.ConnOnActivityStartTest' \
      test FrameworksServicesTests
Change-Id: Ic6cd574a60c4449195f2c8cd4e04b9cb47f225c8
diff --git a/services/tests/servicestests/test-apps/ConnTestApp/Android.mk b/services/tests/servicestests/test-apps/ConnTestApp/Android.mk
index 030a709..fbfa28a 100644
--- a/services/tests/servicestests/test-apps/ConnTestApp/Android.mk
+++ b/services/tests/servicestests/test-apps/ConnTestApp/Android.mk
@@ -18,6 +18,8 @@
 
 LOCAL_MODULE_TAGS := tests
 
+LOCAL_COMPATIBILITY_SUITE := device-tests
+
 LOCAL_STATIC_JAVA_LIBRARIES := servicestests-aidl
 LOCAL_SRC_FILES := $(call all-subdir-java-files)