DO NOT MERGE Fix scrollbar layout for RTL

Scrollbar dimensions were set incorrectly to larger numbers than
expected that was showing the thumb too big on the screen.

Bug: 169548155
Test: manual
Change-Id: I0c52dd602680619e752efb1f21ad156e123fcce0
diff --git a/car-ui-lib/referencedesign/overlay/frameworks/base/core/res/res/layout-ldrtl/car_ui_recyclerview_scrollbar.xml b/car-ui-lib/referencedesign/overlay/frameworks/base/core/res/res/layout-ldrtl/car_ui_recyclerview_scrollbar.xml
index cd7ae80..85d624c 100644
--- a/car-ui-lib/referencedesign/overlay/frameworks/base/core/res/res/layout-ldrtl/car_ui_recyclerview_scrollbar.xml
+++ b/car-ui-lib/referencedesign/overlay/frameworks/base/core/res/res/layout-ldrtl/car_ui_recyclerview_scrollbar.xml
@@ -42,11 +42,9 @@
         android:id="@+id/car_ui_scrollbar_thumb"
         android:layout_width="@dimen/car_ui_scrollbar_thumb_width"
         android:layout_height="0dp"
-        android:layout_gravity="center_horizontal"
+        android:layout_centerHorizontal="true"
         android:background="@drawable/car_ui_recyclerview_scrollbar_thumb"
-        android:layout_below="@+id/car_ui_scrollbar_page_up"
-        android:layout_alignParentLeft="true"
-        android:layout_alignParentRight="true"/>
+        android:layout_below="@+id/car_ui_scrollbar_page_up" />
 
     <View
         android:id="@+id/car_ui_scrollbar_track"
diff --git a/car-ui-lib/referencedesign/overlay/frameworks/base/core/res/res/values/values.xml b/car-ui-lib/referencedesign/overlay/frameworks/base/core/res/res/values/values.xml
index 274bb69..2b51240 100644
--- a/car-ui-lib/referencedesign/overlay/frameworks/base/core/res/res/values/values.xml
+++ b/car-ui-lib/referencedesign/overlay/frameworks/base/core/res/res/values/values.xml
@@ -4,9 +4,9 @@
 
     <dimen name="car_ui_scrollbar_margin">112dp</dimen>
     <dimen name="car_ui_scrollbar_container_width">112dp</dimen>
-    <dimen name="car_ui_scrollbar_button_size">112dp</dimen>
-    <dimen name="car_ui_scrollbar_thumb_width">112dp</dimen>
-    <dimen name="car_ui_scrollbar_separator_margin">112dp</dimen>
+    <dimen name="car_ui_scrollbar_button_size">76dp</dimen>
+    <dimen name="car_ui_scrollbar_thumb_width">7dp</dimen>
+    <dimen name="car_ui_scrollbar_separator_margin">16dp</dimen>
 
     <string name="car_ui_scrollbar_page_up_button">Scroll up</string>
     <string name="car_ui_scrollbar_page_down_button">Scroll down</string>