[Modern] Update overflow menu alignment

Also remove the expand button left-over from Chrome Home.

BUG=746712

Change-Id: I3dd3aa2ce6c9ed16146859ec50356b4f73cf5a9d
Reviewed-on: https://chromium-review.googlesource.com/1025172
Commit-Queue: Theresa <twellington@chromium.org>
Reviewed-by: Matthew Jones <mdjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#554858}

chrome/android/java/res/layout/toolbar_phone_common.xml

@@ -42,15 +42,9 @@
             android:layout_width="4dp"
             android:layout_height="match_parent" />
 
-        <org.chromium.chrome.browser.widget.TintedImageButton
-            android:id="@+id/expand_sheet_button"
-            style="@style/ToolbarButton"
-            android:src="@drawable/ic_expand_less_black_24dp"
-            android:contentDescription="@string/accessibility_toolbar_btn_expand"
-            android:visibility="gone" />
-
         <ImageButton android:id="@+id/tab_switcher_button"
             style="@style/ToolbarButton"
+            android:paddingStart="8dp"
             android:layout_gravity="top"
             android:contentDescription="@string/accessibility_toolbar_btn_tabswitcher_toggle_default" />
 

chrome/android/java/res/values-v17/styles.xml

@@ -568,8 +568,7 @@
     </style>
     <style name="ToolbarMenuButtonPhone" parent="ToolbarButton">
         <item name="android:layout_gravity">top</item>
-        <item name="android:layout_width">42dp</item>
-        <item name="android:paddingEnd">4dp</item>
+        <item name="android:paddingEnd">8dp</item>
         <item name="android:background">@null</item>
     </style>
     <style name="ToolbarMenuButtonTablet" parent="ToolbarButton">

chrome/android/java/strings/android_chrome_strings.grd

@@ -2785,9 +2785,6 @@ Customize this anytime in <ph name="BEGIN_LINK1">&lt;LINK1&gt;</ph>Settings<ph n
       <message name="IDS_ACCESSIBILITY_TOOLBAR_BTN_HOME" desc="Content description for the home button.">
         Home
       </message>
-      <message name="IDS_ACCESSIBILITY_TOOLBAR_BTN_EXPAND" desc="Content description for the Chrome Home sheet expand button. Tapping the button expands a panel that displays content suggestions, downloads, bookmarks, and history.">
-        Expand navigation panel
-      </message>
       <message name="IDS_ACCESSIBILITY_BTN_REFRESH" desc="Content description for the refresh page button.">
         Refresh page
       </message>