[Android] Add options in the context menu of CCT to open in a new Chrome tab or incoginto tab

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- android_chrome_strings.grd contains strings for Chrome for Android.
 
 FAQ:
   - How do I add, change, or remove a string?
       Just update this file.
   - Translations will happen automatically??
       Yes, indeed. Just add your string before the branch point and
       make the description good.
@@ skipping 1494 matching lines @@
       </message>
       <message name="IDS_CONTEXTMENU_SEARCH_WEB_FOR_IMAGE" desc="Context sensitive menu item for search-for-Image command in a new tab. [CHAR-LIMIT=30]">
         Search <ph name="SEARCH_ENGINE">%1$s<ex>Google</ex></ph> for this image
       </message>
       <message name="IDS_CONTEXTMENU_SHARE_IMAGE" desc="Context sensitive menu item for sharing an image via the Android system share action. [CHAR-LIMIT=30]">
         Share image
       </message>
       <message name="IDS_CONTEXTMENU_SAVE_VIDEO" desc="Context sensitive menu item for saving the selected video. [CHAR-LIMIT=30]">
         Download video
       </message>
-
+      <message name="IDS_CONTEXTMENU_OPEN_IN_NEW_CHROME_TAB" desc="Context sensitive menu item to open the selected link in a new Chrome tab from Chrome Custom Tab. [CHAR-LIMIT=30]">
+        Open in new Chrome tab
+      </message>
+      <message name="IDS_CONTEXTMENU_OPEN_IN_CHROME_INCOGNITO_TAB" desc="Context sensitive menu item to open the selected link in a Chrome incognito tab from Chrome Custom Tab. [CHAR-LIMIT=30]">
+        Open in Chrome incognito tab
+      </message>
       <!-- Swipe refresh -->
       <message name="IDS_ACCESSIBILITY_SWIPE_REFRESH" desc="Content description for the swipe refresh action.">
         Refreshing page
       </message>
 
       <!-- App banner strings -->
       <message name="IDS_APP_BANNER_INSTALLING" desc="Button text indicating that an application is being installed. [CHAR-LIMIT=25]">
         Installing…
       </message>
       <message name="IDS_APP_BANNER_OPEN" desc="Text that indicates that clicking on the button will launch an application. [CHAR-LIMIT=25]">
@@ skipping 1231 matching lines @@
       </message>
       <message name="IDS_VR_SERVICES_CHECK_INFOBAR_INSTALL_BUTTON" desc="Text to be displayed in the VR Services check infobar confirm button for installing.">
         Install
       </message>
       <message name="IDS_VR_SERVICES_CHECK_INFOBAR_UPDATE_BUTTON" desc="Text to be displayed in the VR Services check infobar confirm button for updating.">
         Update
       </message>
     </messages>
   </release>
 </grit>