LogViewerActivity: set a separate title

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

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

@@ -185,7 +185,8 @@
     <string name="zip_export_title">Export tunnels to zip file</string>
     <string name="key_length_error">Incorrect key length</string>
     <string name="key_contents_error">Bad characters in key</string>
-    <string name="log_viewer_title">View application log</string>
+    <string name="log_viewer_title">Log</string>
+    <string name="log_viewer_pref_title">View application log</string>
     <string name="log_viewer_pref_summary">Logs may assist with debugging</string>
     <string name="log_saver_activity_label">Save log</string>
 </resources>

ui/src/main/res/xml/preferences.xml

@@ -14,7 +14,7 @@
     <Preference
         android:key="log_viewer"
         android:summary="@string/log_viewer_pref_summary"
-        android:title="@string/log_viewer_title" />
+        android:title="@string/log_viewer_pref_title" />
     <CheckBoxPreference
         android:defaultValue="false"
         android:key="dark_theme"