build: reference default branches for mockito

Change-Id: I1c2eea9d017e4c01ba9c797589a9f9c37d3cd7ba
diff --git a/default.xml b/default.xml
index 565816a..f29d3d6 100644
--- a/default.xml
+++ b/default.xml
@@ -213,7 +213,7 @@
   <project path="external/mdnsresponder" name="CyanogenMod/android_external_mdnsresponder" groups="pdk" />
   <project path="external/mesa3d" name="platform/external/mesa3d" remote="aosp" revision="refs/tags/android-4.4.4_r2" />
   <project path="external/mksh" name="CyanogenMod/android_external_mksh" groups="pdk" />
-  <project path="external/mockito" name="CyanogenMod/android_external_mockito" revision="1.9.5" />
+  <project path="external/mockito" name="CyanogenMod/android_external_mockito" />
   <project path="external/mockwebserver" name="CyanogenMod/android_external_mockwebserver" />
   <project path="external/mp4parser" name="CyanogenMod/android_external_mp4parser" />
   <project path="external/mtpd" name="CyanogenMod/android_external_mtpd" />