Add icons for ZeTime.

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java

@@ -46,7 +46,7 @@ public enum DeviceType {
     NO1F1(50, R.drawable.ic_device_hplus, R.drawable.ic_device_hplus_disabled, R.string.devicetype_no1_f1),
     TECLASTH30(60, R.drawable.ic_device_h30_h10, R.drawable.ic_device_h30_h10_disabled, R.string.devicetype_teclast_h30),
     XWATCH(70, R.drawable.ic_device_default, R.drawable.ic_device_default_disabled, R.string.devicetype_xwatch),
-    ZETIME(80, R.drawable.ic_device_default, R.drawable.ic_device_default_disabled, R.string.devicetype_mykronoz_zetime),
+    ZETIME(80, R.drawable.ic_device_zetime, R.drawable.ic_device_zetime_disabled, R.string.devicetype_mykronoz_zetime),
     ID115(90, R.drawable.ic_device_h30_h10, R.drawable.ic_device_h30_h10_disabled, R.string.devicetype_id115),
     WATCH9(100, R.drawable.ic_device_default, R.drawable.ic_device_default_disabled, R.string.devicetype_watch9),
     ROIDMI(110, R.drawable.ic_device_roidmi, R.drawable.ic_device_roidmi_disabled, R.string.devicetype_roidmi),

app/src/main/res/xml/preferences.xml

@@ -723,7 +723,7 @@
             </PreferenceCategory>
         </PreferenceScreen>
         <PreferenceScreen
-            android:icon="@drawable/ic_device_default"
+            android:icon="@drawable/ic_device_zetime"
             android:key="pref_key_zetime"
             android:title="@string/zetime_title_settings">
             <PreferenceCategory