fix(resources): some string are untranslatable (closes #1117)

Author: itsaky

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

@@ -2,8 +2,8 @@
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
 
   <!-- AndroidIDE -->
-  <item name="copy" type="string" tools:override="true">Copy</item>
-  <item name="text_to_search" type="string">Text to search</item>
+  <string name="copy" tools:override="true">Copy</string>
+  <string name="text_to_search">Text to search</string>
   <string name="app_name" translatable="false">AndroidIDE</string>
   <string name="title_open_source_licenses">Open source licenses</string>
   <string name="msg_about_licensed_under">Licensed under: </string>