Fix build breakage: Revert "Fix broken contacts tests"

This reverts commit 90ef577763f3ccb2d43fda1d21c62533acbbecdb.

Change-Id: If98147879e1658c3a48d04b855c033d191fec2f6
diff --git a/proguard.flags b/proguard.flags
index 05071df..3991a14 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -10,10 +10,10 @@
 }
 
 # Any class or method annotated with NeededForTesting or NeededForReflection.
--keep @com.android.contacts.common.testing.NeededForTesting class *
+-keep @com.android.contacts.common.test.NeededForTesting class *
 -keep @com.android.contacts.test.NeededForReflection class *
 -keepclassmembers class * {
-@com.android.contacts.common.testing.NeededForTesting *;
+@com.android.contacts.common.test.NeededForTesting *;
 @com.android.contacts.test.NeededForReflection *;
 }