Update dialog styling to comply with design guidelines

Bug: 188242326
Test: Verify Dialog layouts using paintbooth app

Change-Id: I13608cc052704278390e4c74292a499cfe06f772
diff --git a/core/res/res/layout-car/car_alert_dialog.xml b/core/res/res/layout-car/car_alert_dialog.xml
index 569e594..2e7b62c 100644
--- a/core/res/res/layout-car/car_alert_dialog.xml
+++ b/core/res/res/layout-car/car_alert_dialog.xml
@@ -54,7 +54,7 @@
                     android:layout_height="wrap_content"
                     android:layout_marginStart="@dimen/text_view_start_margin"
                     android:layout_marginEnd="@dimen/text_view_end_margin"
-                    style="@style/CarBody2"/>
+                    style="@style/CarBody4"/>
 
                 <!-- we don't need this spacer, but the id needs to be here for compatibility -->
                 <Space
diff --git a/core/res/res/layout-car/car_alert_dialog_button_bar.xml b/core/res/res/layout-car/car_alert_dialog_button_bar.xml
index 277b0dc..4f815b8 100644
--- a/core/res/res/layout-car/car_alert_dialog_button_bar.xml
+++ b/core/res/res/layout-car/car_alert_dialog_button_bar.xml
@@ -36,6 +36,9 @@
         <Button
             android:id="@+id/button3"
             style="@style/CarAction1"
+            android:minWidth="@dimen/car_touch_target_size"
+            android:paddingStart="@dimen/car_padding_2"
+            android:paddingEnd="@dimen/car_padding_2"
             android:background="@drawable/car_dialog_button_background"
             android:layout_marginRight="@dimen/button_end_margin"
             android:layout_width="wrap_content"
@@ -44,6 +47,9 @@
         <Button
             android:id="@+id/button2"
             style="@style/CarAction1"
+            android:minWidth="@dimen/car_touch_target_size"
+            android:paddingStart="@dimen/car_padding_2"
+            android:paddingEnd="@dimen/car_padding_2"
             android:background="@drawable/car_dialog_button_background"
             android:layout_marginRight="@dimen/button_end_margin"
             android:layout_width="wrap_content"
@@ -52,6 +58,9 @@
         <Button
             android:id="@+id/button1"
             style="@style/CarAction1"
+            android:minWidth="@dimen/car_touch_target_size"
+            android:paddingStart="@dimen/car_padding_2"
+            android:paddingEnd="@dimen/car_padding_2"
             android:background="@drawable/car_dialog_button_background"
             android:layout_width="wrap_content"
             android:layout_height="@dimen/button_layout_height" />
diff --git a/core/res/res/values/dimens_car.xml b/core/res/res/values/dimens_car.xml
index 0ef60c4..36f1edb 100644
--- a/core/res/res/values/dimens_car.xml
+++ b/core/res/res/values/dimens_car.xml
@@ -110,10 +110,10 @@
     <dimen name="car_textview_fading_edge_length">40dp</dimen>
 
     <!-- Dialog start padding for button bar layout -->
-    <dimen name="button_bar_layout_start_padding">@*android:dimen/car_keyline_1</dimen>
+    <dimen name="button_bar_layout_start_padding">@dimen/car_padding_2</dimen>
 
     <!-- Dialog end padding for button bar layout -->
-    <dimen name="button_bar_layout_end_padding">@*android:dimen/car_keyline_1</dimen>
+    <dimen name="button_bar_layout_end_padding">@dimen/car_padding_2</dimen>
 
     <!-- Dialog top padding for button bar layout -->
     <dimen name="button_bar_layout_top_padding">@*android:dimen/car_padding_2</dimen>
@@ -122,7 +122,7 @@
     <dimen name="button_layout_height">@*android:dimen/car_card_action_bar_height</dimen>
 
     <!-- Dialog button end margin -->
-    <dimen name="button_end_margin">@*android:dimen/car_padding_4</dimen>
+    <dimen name="button_end_margin">@*android:dimen/car_padding_2</dimen>
 
     <!-- Dialog top padding when there is no title -->
     <dimen name="dialog_no_title_padding_top">@*android:dimen/car_padding_4</dimen>