Support showing repeater frequency in Android Q

mobile/src/main/res/layout/listitem_repeater.xml

@@ -40,7 +40,7 @@
                 <TextView
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:text="@string/title_repeater"
+                    android:text="@{data.title}"
                     android:textAppearance="@style/TextAppearance.AppCompat.Subhead"/>
 
                 <be.mygod.vpnhotspot.widget.AutoCollapseTextView

mobile/src/main/res/values-zh-rCN/strings.xml

@@ -6,6 +6,7 @@
     <string name="title_clients">已连设备</string>
     <string name="title_settings">设置选项</string>
 
+    <string name="repeater_channel">无线中继 (%1$d MHz, 频道 %2$d)</string>
     <string name="repeater_wps">WPS（不安全）</string>
     <string name="repeater_wps_dialog_title">输入 PIN</string>
     <string name="repeater_wps_dialog_pbc">一键加密</string>

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

@@ -14,6 +14,7 @@
     <string name="title_clients">Clients</string>
     <string name="title_settings">Settings</string>
 
+    <string name="repeater_channel">Repeater (%1$d MHz, channel %2$d)</string>
     <string name="repeater_wps">WPS (insecure)</string>
     <string name="repeater_wps_dialog_title">Enter PIN</string>
     <string name="repeater_wps_dialog_pbc">Push Button</string>