Add option to disable wakelock

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

@@ -56,4 +56,11 @@
         android:summaryOn="@string/settings_buffer_on_summary"
         android:title="@string/settings_buffer" />
 
+    <CheckBoxPreference
+        android:defaultValue="true"
+        android:key="wakelock"
+        android:summaryOff="@string/settings_wakelock_off_summary"
+        android:summaryOn="@string/settings_wakelock_on_summary"
+        android:title="@string/settings_wakelock" />
+
 </PreferenceScreen>