[BottomSheet] Add shouldRemoveExpandedCorners attribute

PiperOrigin-RevId: 470023917

Author: drchen

lib/java/com/google/android/material/bottomsheet/res/values/attrs.xml

@@ -89,6 +89,7 @@
     <attr name="marginLeftSystemWindowInsets" />
     <attr name="marginRightSystemWindowInsets" />
     <attr name="marginTopSystemWindowInsets" />
+    <attr name="shouldRemoveExpandedCorners" format="boolean"/>
     <attr name="android:elevation"/>
     <attr name="android:maxWidth"/>
     <attr name="android:maxHeight"/>