Specify private resource package in Android.mk

Private resource package shouldn't be buried in some resource file.
It can now be specified on the command line via the Android.mk file.

Change-Id: I9e3cb0bf54830d6b021077af271913306c024701
diff --git a/tools/aapt/Bundle.h b/tools/aapt/Bundle.h
index c29bb48..c449550 100644
--- a/tools/aapt/Bundle.h
+++ b/tools/aapt/Bundle.h
@@ -127,6 +127,12 @@
     const android::String8& getPlatformBuildVersionName() { return mPlatformVersionName; }
     void setPlatformBuildVersionName(const android::String8& name) { mPlatformVersionName = name; }
 
+    const android::String8& getPrivateSymbolsPackage() const { return mPrivateSymbolsPackage; }
+
+    void setPrivateSymbolsPackage(const android::String8& package) {
+        mPrivateSymbolsPackage = package;
+    }
+
     bool getUTF16StringsOption() {
         return mWantUTF16 || !isMinSdkAtLeast(SDK_FROYO);
     }
@@ -333,6 +339,7 @@
     bool        mBuildAppAsSharedLibrary;
     android::String8 mPlatformVersionCode;
     android::String8 mPlatformVersionName;
+    android::String8 mPrivateSymbolsPackage;
 
     /* file specification */
     int         mArgc;