Add common.jar to the SDK build.

Change-Id: Idf2ce283466dcc92ba8877d4e8166f2d64b319f4
diff --git a/build/tools.atree b/build/tools.atree
index c28f044..d40d8e3 100644
--- a/build/tools.atree
+++ b/build/tools.atree
@@ -73,6 +73,7 @@
 
 # Java Libraries for the tools
 framework/androidprefs.jar       tools/lib/androidprefs.jar
+framework/common.jar             tools/lib/common.jar
 sdk/apkbuilder/etc/apkbuilder    tools/apkbuilder
 framework/sdkstats.jar           tools/lib/sdkstats.jar
 framework/archquery.jar          tools/lib/archquery.jar