Remove unused dependencies

Test: make Contacts ContactsTests
Bug: 30188076

Change-Id: Id218286ed9c26d2292f2983dbc72bb339a7159cf
diff --git a/Android.mk b/Android.mk
index e629e54..57d521e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -46,9 +46,7 @@
     android-support-v4 \
     com.android.vcard \
     guava \
-    libphonenumber \
-    legacy-android-test \
-    junit
+    libphonenumber
 
 LOCAL_PACKAGE_NAME := Contacts
 LOCAL_CERTIFICATE := shared