[Dialog] Reduce insets for Material Alert Dialog to 10dp for screens with minimum height less than h480dp.

Reducing the insets will allow for nested scroll view content to be visible enough to enable user interaction (scrolling).

PiperOrigin-RevId: 660521229

Author: kendrickumstattd

lib/java/com/google/android/material/dialog/res/values-land/dimens.xml renamed to lib/java/com/google/android/material/dialog/res/values-h480dp/dimens.xml

@@ -17,7 +17,7 @@
 
 <resources>
   <dimen name="mtrl_alert_dialog_background_inset_start">24dp</dimen>
-  <dimen name="mtrl_alert_dialog_background_inset_top">24dp</dimen>
+  <dimen name="mtrl_alert_dialog_background_inset_top">80dp</dimen>
   <dimen name="mtrl_alert_dialog_background_inset_end">24dp</dimen>
-  <dimen name="mtrl_alert_dialog_background_inset_bottom">24dp</dimen>
+  <dimen name="mtrl_alert_dialog_background_inset_bottom">80dp</dimen>
 </resources>

lib/java/com/google/android/material/dialog/res/values-small/dimens.xml

@@ -16,10 +16,11 @@
 -->
 
 <resources>
-  <dimen name="mtrl_alert_dialog_background_inset_start">24dp</dimen>
-  <dimen name="mtrl_alert_dialog_background_inset_top">80dp</dimen>
-  <dimen name="mtrl_alert_dialog_background_inset_end">24dp</dimen>
-  <dimen name="mtrl_alert_dialog_background_inset_bottom">80dp</dimen>
+<!-- Inset values for devices with a small height; the true default inset values are in res/values-h480dp -->
+  <dimen name="mtrl_alert_dialog_background_inset_start">10dp</dimen>
+  <dimen name="mtrl_alert_dialog_background_inset_top">10dp</dimen>
+  <dimen name="mtrl_alert_dialog_background_inset_end">10dp</dimen>
+  <dimen name="mtrl_alert_dialog_background_inset_bottom">10dp</dimen>
   <!-- 16dp from abc_dialog_material_background.xml -->
   <dimen name="appcompat_dialog_background_inset">16dp</dimen>