Merge "Store package restriction settings at shutdown" into pi-dev

        mPackageUsage.writeNow(mPackages);

        mCompilerStats.writeNow();

        mDexManager.writePackageDexUsageNow();

        // This is the last chance to write out pending restriction settings

        synchronized (mPackages) {

            if (mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {

                mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS);

                for (int userId : mDirtyUsers) {

                    mSettings.writePackageRestrictionsLPr(userId);

                }

                mDirtyUsers.clear();

            }

        }

    }

    @Override