Make the Calculator edit text field speak the correctly mathematical content.

Previously: 7x9 would be read as "7EX9" when you really want
"7 multiplied by 9"

Change-Id: I6fd3c1e3d0a40ca8700c10227edbdb445dbb7743
diff --git a/Android.mk b/Android.mk
index 4e4f40e..90f5b5f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -19,7 +19,7 @@
 
 LOCAL_MODULE_TAGS := optional
 
-LOCAL_STATIC_JAVA_LIBRARIES := libarity android-support-v4
+LOCAL_STATIC_JAVA_LIBRARIES := libarity android-support-v4 guava
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src)