Create specific string for RiotX

vector/src/main/java/im/vector/riotx/features/login/LoginFragment.kt

@@ -81,7 +81,7 @@ class LoginFragment @Inject constructor() : AbstractLoginFragment() {
         val login = loginField.text.toString()
         val password = passwordField.text.toString()
 
-        loginViewModel.handle(LoginAction.LoginOrRegister(login, password, getString(R.string.login_mobile_device)))
+        loginViewModel.handle(LoginAction.LoginOrRegister(login, password, getString(R.string.login_mobile_device_riotx)))
     }
 
     private fun cleanupUi() {

vector/src/main/res/values/strings.xml

@@ -287,7 +287,7 @@
     <string name="login_error_no_homeserver_found">This is not a valid Matrix server address</string>
     <string name="login_error_homeserver_not_found">Cannot reach a homeserver at this URL, please check it</string>
     <string name="login_error_ssl_handshake">Your device is using an outdated TLS security protocol, vulnerable to attack, for your security you will not be able to connect</string>
-    <string name="login_mobile_device">RiotX Android</string>
+    <string name="login_mobile_device">Mobile</string>
 
     <string name="login_error_forbidden">Invalid username/password</string>
     <string name="login_error_unknown_token">The access token specified was not recognised</string>

vector/src/main/res/values/strings_riotX.xml

@@ -7,6 +7,7 @@
 
     <!-- BEGIN Strings added by Valere -->
 
+    <string name="login_mobile_device_riotx">RiotX Android</string>
 
     <string name="settings_key_requests">Key Requests</string>