Stamp platform version code into app Apks

The versionCode of theframework resources that an app is built against
gets stamped inside an app's AndroidManifest.xml in the <manifest>
tag as "platformBuildVersionCode" and "platformBuildVersionName"
attributes.

Bug:17207635
Change-Id: Id573c3dffcbca38eec9c0eb3e89f4a547e3361d3
diff --git a/tools/aapt/AaptAssets.cpp b/tools/aapt/AaptAssets.cpp
index b44e2d1..117fc24 100644
--- a/tools/aapt/AaptAssets.cpp
+++ b/tools/aapt/AaptAssets.cpp
@@ -1594,6 +1594,11 @@
     return mIncludedAssets.getResources(false);
 }
 
+AssetManager& AaptAssets::getAssetManager()
+{
+    return mIncludedAssets;
+}
+
 void AaptAssets::print(const String8& prefix) const
 {
     String8 innerPrefix(prefix);