[MagicStack] Fix single tab module's layout.

In this CL, we change the height of the tab thumbnail of the single tab
from 106dp to 112dp. It allows the height matches the price drop module.
Besides, remove a line in xml file to prevent the tab_url view in a
wrong layout position.
Phone after: https://screenshot.googleplex.com/5fNqxTotbSfqXs9
Tablet after: https://screenshot.googleplex.com/i3yRx7q7rKZHU9n

(cherry picked from commit a4764ad)

Bug: 1521541
Change-Id: I3ba8818aecaf133f0611769c4e205af886e3a4fe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5234380
Reviewed-by: Yue Zhang <yuezhanggg@chromium.org>
Commit-Queue: Xi Han <hanxi@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1251835}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5238480
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/6261@{#145}
Cr-Branched-From: 9755d9d-refs/heads/main@{#1250580}

chrome/android/features/start_surface/java/res/layout/single_tab_module_layout.xml

@@ -100,7 +100,6 @@ found in the LICENSE file.
         android:layout_alignParentEnd="true"
         android:layout_alignParentBottom="true"
         android:layout_gravity="bottom"
-        android:layout_below="@+id/tab_title_view"
         android:layout_toEndOf="@+id/tab_images"
         android:gravity="start"
         android:singleLine="true"

chrome/android/features/start_surface/java/res/values/dimens.xml

@@ -22,8 +22,8 @@ found in the LICENSE file.
     <dimen name="single_tab_module_lateral_margin">@dimen/mvt_container_lateral_margin_polish</dimen>
     <dimen name="single_tab_module_padding_top">16dp</dimen>
     <dimen name="single_tab_module_padding_bottom">20dp</dimen>
-    <dimen name="single_tab_module_tab_thumbnail_size_big">106dp</dimen>
-    <dimen name="single_tab_module_tab_thumbnail_size">@dimen/single_tab_module_tab_thumbnail_size_big</dimen>
+    <dimen name="single_tab_module_tab_thumbnail_size_big">112dp</dimen>
+    <dimen name="single_tab_module_tab_thumbnail_size">106dp</dimen>
     <dimen name="single_tab_thumbnail_margin">1dp</dimen>
     <dimen name="single_tab_thumbnail_radius">12dp</dimen>
     <dimen name="favicon_padding">4dp</dimen>