[IncNTP] Add "Does do", "Doesn't do" and "Learn more" sections.

This CL adds "Incognito does", "Incognito doesn't do" and "Learn more" sections as designed in Revamped Incognito NTP project. Also new strings are added with the CL.

You can see the the UX deck here: go/incognito-ntp

Screenshots:
  phone portrait: https://screenshot.googleplex.com/7xQoKBzFnvUtUaV
  phone landscape: https://screenshot.googleplex.com/9KbPYweaDpfQt8o

  tablet portrait: https://screenshot.googleplex.com/5RzXX2LJW5ureYN
  tablet portrait 2: https://screenshot.googleplex.com/857JtXdKKxRsaaF
  tablet landscape: https://screenshot.googleplex.com/9iVx73kSBkNepvN

Bug: 1231020
Change-Id: I45d4b96f7e1389e64dba7e0501f85304da75cb5e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3067352
Reviewed-by: Sky Malice <skym@chromium.org>
Reviewed-by: Kristi Park <kristipark@chromium.org>
Reviewed-by: Theresa  <twellington@chromium.org>
Reviewed-by: Side YILMAZ <sideyilmaz@chromium.org>
Commit-Queue: Alex Ilasi <alexilasi@google.com>
Cr-Commit-Position: refs/heads/master@{#911680}
diff --git a/components/new_or_sad_tab_strings.grdp b/components/new_or_sad_tab_strings.grdp
index eeab443..b4f61be 100644
--- a/components/new_or_sad_tab_strings.grdp
+++ b/components/new_or_sad_tab_strings.grdp
@@ -184,4 +184,32 @@
         When on, sites can't use cookies that track you across the web. Features on some sites may break.
       </message>
 
+      <!-- Revamped Incognito New Tab Page strings -->
+
+      <message name="IDS_REVAMPED_INCOGNITO_NTP_DOES_HEADER" desc="Header for the 'Incognito does' section that informs users about what happens while browsing Incognito: browsing activity, search history and information entered in forms are not saved locally." formatter_data="android_java">
+        What Incognito does
+      </message>
+      <message name="IDS_REVAMPED_INCOGNITO_NTP_DOES_DESCRIPTION" desc="Paragraph that informs users about Incognito's functionalities: browsing activity, search history and information entered in forms are not saved locally, they are cleared after closing all Incognito tabs. 'Browsing activity' refers to the browsing history (list of visited websites) and the cookies (data saved by websites on the user's device such as: sign-in state, preferences, etc.). 'Search history from this device' means that searches will not be saved locally or used as search suggestions in the future. 'Information entered in forms' refers to names, addresses, passwords etc. that users enter into forms on the web." formatter_data="android_java">
+        After closing all Incognito tabs, Chrome clears:
+        <ph name="BEGIN_LIST">&lt;ul&gt;</ph>
+          <ph name="LIST_ITEM">&lt;li&gt;</ph>Your browsing activity from this device<ph name="END_LIST_ITEM">&lt;/li&gt;</ph>
+          <ph name="LIST_ITEM">&lt;li&gt;</ph>Your search history from this device<ph name="END_LIST_ITEM">&lt;/li&gt;</ph>
+          <ph name="LIST_ITEM">&lt;li&gt;</ph>Information entered in forms<ph name="END_LIST_ITEM">&lt;/li&gt;</ph>
+        <ph name="END_LIST">&lt;/ul&gt;</ph>
+      </message>
+      <message name="IDS_REVAMPED_INCOGNITO_NTP_DOES_NOT_HEADER" desc="Header for the 'Incognito doesn’t do' section that informs users that they are not invisible online." formatter_data="android_java">
+        What Incognito doesn’t do
+      </message>
+      <message name="IDS_REVAMPED_INCOGNITO_NTP_DOES_NOT_DESCRIPTION" desc="Paragraph that informs users that their online activity is still visible while using Incognito. The bullet points list some examples of entities to which users are not invisible in Incognito and what they can observe. The bullet points elaborate on the fact that Incognito only provides privacy with respect to other users on the same device. Websites you visit still know that you visited them. Employers and schools can still track users' browsing activity and internet service providers can still monitor web traffic, even if it comes from the Incognito mode." formatter_data="android_java">
+        Incognito does not make you invisible online:
+        <ph name="BEGIN_LIST">&lt;ul&gt;</ph>
+          <ph name="LIST_ITEM">&lt;li&gt;</ph>Sites know when you visit them<ph name="END_LIST_ITEM">&lt;/li&gt;</ph>
+          <ph name="LIST_ITEM">&lt;li&gt;</ph>Employers or schools can track browsing activity<ph name="END_LIST_ITEM">&lt;/li&gt;</ph>
+          <ph name="LIST_ITEM">&lt;li&gt;</ph>Internet service providers may monitor web traffic<ph name="END_LIST_ITEM">&lt;/li&gt;</ph>
+        <ph name="END_LIST">&lt;/ul&gt;</ph>
+      </message>
+      <message name="IDS_REVAMPED_INCOGNITO_NTP_LEARN_MORE" desc="The link text displayed on the Incognito new tab page pointing users to the Incognito learn more page." formatter_data="android_java">
+        <ph name="BEGIN_LINK">&lt;a&gt;</ph>Learn more<ph name="END_LINK">&lt;/a&gt;</ph> about Incognito
+      </message>
+
 </grit-part>