Move Pair and annoatations into resources.jar now renamed as common.jar

Move all the resource query methods that returned an array of 2 Strings
to return a pair of ResourceType and String.

Change-Id: I6b8447aa27005de786e2defef81ad88a72363523
diff --git a/layoutlib_api/.classpath b/layoutlib_api/.classpath
index bae87a9..4095535 100644
--- a/layoutlib_api/.classpath
+++ b/layoutlib_api/.classpath
@@ -3,6 +3,6 @@
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="var" path="ANDROID_SRC/prebuilt/common/kxml2/kxml2-2.3.0.jar" sourcepath="/ANDROID_SRC/dalvik/libcore/xml/src/main/java"/>
-	<classpathentry combineaccessrules="false" kind="src" path="/resources"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/common"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>