Add settings for "enable log" to UI

Change-Id: Ib6ebfbc586dbea4dce037e484598cbc47ba58c7e

java/res/values/strings.xml

@@ -25,6 +25,7 @@
 
     <!-- Option to provide vibrate/haptic feedback on keypress -->
     <string name="vibrate_on_keypress">Vibrate on keypress</string>
+
     <!-- Option to play back sound on keypress in soft keyboard -->
     <string name="sound_on_keypress">Sound on keypress</string>
 
@@ -322,4 +323,9 @@
     
     <!-- Inform the user that a particular language has an available dictionary -->
     <string name="has_dictionary">Dictionary available</string>
+
+    <!-- Option to send logs -->
+    <string name="prefs_enable_log">Enable user feedback</string>
+    <!-- Description for sending logs -->
+    <string name="prefs_description_log">Help improve this input method editor by automatically sending usage statistics and crash reports to Google.</string>
 </resources>

java/res/xml/prefs.xml

@@ -37,6 +37,13 @@
             android:defaultValue="true"
             />
 
+    <CheckBoxPreference
+            android:key="enable_log"
+            android:title="@string/prefs_enable_log"
+            android:summary="@string/prefs_description_log"
+            android:persistent="true"
+            />
+
     <ListPreference
             android:key="voice_mode"
             android:title="@string/voice_input"