Content Indexing : Fixed two issues

This CL contains :
1 - Fixed InflateException on Kitkat when it is unable to handle vector drawables.
2 - Fixed an issue with tablets where clicking on 'See more' results in crash.

Bug: 1042459, 1042424
Change-Id: I6981d794e1a44cfbc19da1f990113d54e67dc60d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2006075Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Shakti Sahu <shaktisahu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#732697}

chrome/android/java/res_download/layout/download_manager_card_header.xml

@@ -6,6 +6,7 @@
 
 <RelativeLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="@drawable/group_card_item_border"
@@ -17,8 +18,8 @@
         android:id="@+id/favicon"
         android:layout_width="16dp"
         android:layout_height="16dp"
-        android:src="@drawable/ic_globe_24dp"
-        android:importantForAccessibility="no"/>
+        android:importantForAccessibility="no"
+        app:srcCompat="@drawable/ic_globe_24dp"/>
 
     <TextView
         android:id="@+id/domain"

chrome/android/java/src/org/chromium/chrome/browser/download/home/list/mutator/CardPaginator.java

@@ -24,9 +24,7 @@ public class CardPaginator {
      * @param dateAndDomain The date and domain for the items in the card.
      */
     public void loadMore(Pair<Date, String> dateAndDomain) {
-        assert mPageCountForCard.containsKey(dateAndDomain);
-        int currentPages = mPageCountForCard.get(dateAndDomain);
-        mPageCountForCard.put(dateAndDomain, currentPages + 1);
+        mPageCountForCard.put(dateAndDomain, getCurrentPageCount(dateAndDomain) + 1);
     }
 
     /**
@@ -44,9 +42,7 @@ public class CardPaginator {
      * @return The number of items being shown on the card.
      */
     public int getItemCountForCard(Pair<Date, String> dateAndDomain) {
-        return mPageCountForCard.containsKey(dateAndDomain)
-                ? mPageCountForCard.get(dateAndDomain) * ITEM_COUNT_PER_PAGE
-                : 0;
+        return getCurrentPageCount(dateAndDomain) * ITEM_COUNT_PER_PAGE;
     }
 
     /**
@@ -63,4 +59,10 @@ public class CardPaginator {
     public void reset() {
         mPageCountForCard.clear();
     }
+
+    /** @return The number of pages currently being displayed. Default is 1.*/
+    private int getCurrentPageCount(Pair<Date, String> dateAndDomain) {
+        return mPageCountForCard.containsKey(dateAndDomain) ? mPageCountForCard.get(dateAndDomain)
+                                                            : 1;
+    }
 }