Merge "Prevent installation of new APEX." into qt-dev

import android.content.pm.ParceledListSlice;

import android.content.pm.Signature;

import android.content.rollback.IRollbackManager;

import android.os.Build;

import android.os.Bundle;

import android.os.Handler;

import android.os.IBinder;

        final PackageInfo packageInfo = mApexManager.getPackageInfoForApexName(packageName);

        if (packageInfo == null) {

            // Only allow installing new apexes if on a debuggable build.

            if (!Build.IS_DEBUGGABLE) {

                Slog.w(TAG, "Attempted to install new apex " + packageName + " on user build");

            // Don't allow installation of new APEX.

            Slog.e(TAG, "Attempted to install a new apex " + packageName + ". Rejecting");

            return false;

        }

            return true;

        }

        final SigningDetails existingSigningDetails;

        try {