Re-arrange android-common so framework no longer links with it.
This is the framework part, moving classes around so the framework
no longer needs to link to android-common. Makes some APIs public,
others that didn't need to be public are private in the framework,
some small things are copied.
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index 607605d..fb3f646 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -34,7 +34,8 @@
import android.os.Parcelable;
import android.util.AttributeSet;
import android.util.Log;
-import com.android.common.XmlUtils;
+
+import com.android.internal.util.XmlUtils;
import java.io.IOException;
import java.io.Serializable;