lint: dont use showAsAction=always but ifRoom

src/main/res/menu/contactlist_menu.xml

@@ -28,6 +28,6 @@
         android:contentDescription="@string/select_all"
         android:title="@string/select_all"
         android:icon="@drawable/ic_select_all"
-        app:showAsAction="always"/>
+        app:showAsAction="ifRoom"/>
 
 </menu>

src/main/res/menu/main_menu.xml

@@ -26,7 +26,7 @@
           android:title="@string/actionbar_search"
           android:contentDescription="@string/actionbar_search"
           app:actionViewClass="android.support.v7.widget.SearchView"
-          app:showAsAction="always"/>
+          app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/action_create_dir"
         android:icon="@drawable/ic_action_create_dir"

src/main/res/menu/receive_file_menu.xml

@@ -26,7 +26,7 @@
         android:icon="@drawable/ic_search"
         android:title="@string/actionbar_search"
         app:actionViewClass="android.support.v7.widget.SearchView"
-        app:showAsAction="always"/>
+        app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/action_switch_account"
         android:contentDescription="@string/common_switch_account"