Remove google-common from Dialer Android.mk file

Bug: 12572042
Change-Id: I6b207d48c9c546939272fa5907b381e337e4cf44
diff --git a/Android.mk b/Android.mk
index 838ddae..206f004 100644
--- a/Android.mk
+++ b/Android.mk
@@ -27,7 +27,6 @@
     android-support-v13 \
     android-support-v4 \
     android-ex-variablespeed \
-    google-common \
     libphonenumber \
     libgeocoding