Add reciprocate as a method

src/components/views/dialogs/DeviceVerifyDialog.js

@@ -136,6 +136,7 @@ export default class DeviceVerifyDialog extends React.Component {
                     verificationMethods.SAS,
                     SHOW_QR_CODE_METHOD,
                     SCAN_QR_CODE_METHOD,
+                    verificationMethods.RECIPROCATE_QR_CODE,
                 ]);
 
                 await this._request.waitFor(r => r.ready || r.started);

src/components/views/dialogs/NewSessionReviewDialog.js

@@ -43,7 +43,7 @@ export default class NewSessionReviewDialog extends React.PureComponent {
         const cli = MatrixClientPeg.get();
         const request = await cli.requestVerification(
             userId,
-            [verificationMethods.SAS, SHOW_QR_CODE_METHOD, SCAN_QR_CODE_METHOD],
+            [verificationMethods.SAS, SHOW_QR_CODE_METHOD, SCAN_QR_CODE_METHOD, verificationMethods.RECIPROCATE_QR_CODE],
             [device.deviceId],
         );