updating login copy

Author: ouchadam

vector/src/main/res/layout/fragment_ftue_combined_login.xml

@@ -140,7 +140,7 @@
             style="@style/Widget.Vector.TextInputLayout.Username"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
-            android:hint="@string/username"
+            android:hint="@string/ftue_auth_login_username_entry"
             app:layout_constraintBottom_toTopOf="@id/entrySpacing"
             app:layout_constraintEnd_toEndOf="@id/loginGutterEnd"
             app:layout_constraintStart_toStartOf="@id/loginGutterStart"

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

@@ -67,6 +67,7 @@
     <string name="ftue_auth_password_reset_email_confirmation_subtitle">Follow the instructions send to %s</string>
 
     <string name="ftue_auth_captcha_title">Are you a human?</string>
+    <string name="ftue_auth_login_username_entry">Username / Email / Phone</string>
 
     <string name="location_map_view_copyright" translatable="false">© MapTiler © OpenStreetMap contributors</string>
 </resources>