[Mfill Android] Fix accessory fallback sheet paddings

This CL removes hard-coded heights and paddings. They are superfluous
since ChipView enforces its padding and restricts the line height.

This means the duplicate paddings (see screenshots in bug) are gone.

Bug: 997611
Change-Id: I805792254fced2c25c63fa75b4bc48021ff90fa2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1769440Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Friedrich [CET] <fhorschig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#690328}

chrome/android/features/keyboard_accessory/internal/java/res/layout/keyboard_accessory_sheet_tab_address_info.xml

@@ -46,7 +46,7 @@
     <LinearLayout
         android:gravity="center_vertical|start"
         android:fillViewport="true"
-        android:layout_height="@dimen/keyboard_accessory_suggestion_height"
+        android:layout_height="wrap_content"
         android:layout_width="match_parent"
         android:orientation="horizontal">
 
@@ -78,8 +78,6 @@
     <org.chromium.ui.widget.ChipView
         android:id="@+id/address_home_country"
         android:gravity="center_vertical|start"
-        android:layout_marginTop="@dimen/keyboard_accessory_sheet_padding"
-        android:layout_marginBottom="@dimen/keyboard_accessory_sheet_padding"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         style="@style/InputChip" />

chrome/android/features/keyboard_accessory/internal/java/res/layout/keyboard_accessory_sheet_tab_credit_card_info.xml

@@ -34,7 +34,6 @@
             <org.chromium.ui.widget.ChipView
                 android:id="@+id/cc_number"
                 android:gravity="center_vertical|start"
-                android:layout_marginBottom="@dimen/keyboard_accessory_sheet_padding"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 style="@style/InputChip" />
@@ -43,7 +42,7 @@
                 android:id="@+id/exp_group"
                 android:gravity="center_vertical|start"
                 android:fillViewport="true"
-                android:layout_height="@dimen/keyboard_accessory_suggestion_height"
+                android:layout_height="wrap_content"
                 android:layout_width="match_parent"
                 android:orientation="horizontal">
 
@@ -77,7 +76,6 @@
             <org.chromium.ui.widget.ChipView
                 android:id="@+id/cardholder"
                 android:gravity="center_vertical|start"
-                android:layout_marginTop="@dimen/keyboard_accessory_sheet_padding"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 style="@style/InputChip" />