Revert ImsResolver binding check

     * busy, it will try to connect before reporting failure.

     */

    public boolean isServiceAvailable() {

        // If we are busy resolving dynamic IMS bindings, we are not available yet.

        TelephonyManager tm = (TelephonyManager)

                mContext.getSystemService(Context.TELEPHONY_SERVICE);

        if (tm.isResolvingImsBinding()) {

            Log.d(TAG, "isServiceAvailable: resolving IMS binding, returning false");

            return false;

        }

        connectIfServiceIsAvailable();

        // mImsServiceProxy will always create an ImsServiceProxy.

        return mMmTelFeatureConnection.isBinderAlive();