Add --auto-add-overlay option to aapt.

This option allows resources only present in overlays to be
added automatically instead of being declared through <add-resource>

Change-Id: Iff782311056f6a045193e57d204f7d3413e11b26
diff --git a/tools/aapt/Bundle.h b/tools/aapt/Bundle.h
index cbb5203..558b587 100644
--- a/tools/aapt/Bundle.h
+++ b/tools/aapt/Bundle.h
@@ -39,7 +39,7 @@
           mRequireLocalization(false), mPseudolocalize(false),
           mUTF8(false), mEncodingSpecified(false), mValues(false),
           mCompressionMethod(0), mOutputAPKFile(NULL), mManifestPackageNameOverride(NULL),
-          mAssetSourceDir(NULL), mProguardFile(NULL),
+          mAutoAddOverlay(false), mAssetSourceDir(NULL), mProguardFile(NULL),
           mAndroidManifestFile(NULL), mPublicOutputFile(NULL),
           mRClassDir(NULL), mResourceIntermediatesDir(NULL),
           mMinSdkVersion(NULL), mTargetSdkVersion(NULL), mMaxSdkVersion(NULL),
@@ -90,6 +90,8 @@
     void setOutputAPKFile(const char* val) { mOutputAPKFile = val; }
     const char* getManifestPackageNameOverride() const { return mManifestPackageNameOverride; }
     void setManifestPackageNameOverride(const char * val) { mManifestPackageNameOverride = val; }
+    bool getAutoAddOverlay() { return mAutoAddOverlay; }
+    void setAutoAddOverlay(bool val) { mAutoAddOverlay = val; }
 
     /*
      * Input options.
@@ -181,6 +183,7 @@
     bool        mJunkPath;
     const char* mOutputAPKFile;
     const char* mManifestPackageNameOverride;
+    bool        mAutoAddOverlay;
     const char* mAssetSourceDir;
     const char* mProguardFile;
     const char* mAndroidManifestFile;