Use new 'target' based mockito build in gradle.

Bug: 17682586

Change-Id: I7852950cd5f3e1add933ade06a48a6262b1b8d80
(cherry picked from commit a6a1f8ff3db36f5e023d86156ee44a2ad8b2810d)
diff --git a/build.gradle b/build.gradle
index 51bb426..2a0f877 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,5 +22,5 @@
 
 dependencies {
     compile getAndroidPrebuilt('10')
-    compile project(':mockito')
+    compile project(path: ':mockito', configuration: 'target')
 }