Don't pull in external/junit through mockito

android-support-test provides a different version of junit

FIXED=30481239

Change-Id: I6d8f52d5f82b4c9905da8cc4a6ca79216eba9e26
diff --git a/tests/utils/testutils/Android.mk b/tests/utils/testutils/Android.mk
index d53167f..4bfd234 100644
--- a/tests/utils/testutils/Android.mk
+++ b/tests/utils/testutils/Android.mk
@@ -25,6 +25,6 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
     android-support-test \
-    mockito-target
+    mockito-target-minus-junit4
 
 include $(BUILD_STATIC_JAVA_LIBRARY)