Extend single Slice max height

- overwrite the AndroidX value
- set the max height as ten remote media sessions(twenty row slices)

Bug: 147272814
Test: make -j50 RunSettingsRoboTests
Change-Id: I16d77fb142619ff0356ccefc90835e4f4f59926e
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index aca64fb..b8afd60 100755
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -398,7 +398,8 @@
     <dimen name="two_target_min_width">80dp</dimen>
 
     <!-- Maximum height for SliceView, override on slices/view/src/main/res/values/dimens.xml -->
-    <dimen name="abc_slice_large_height">480dp</dimen>
+    <!-- A single Row Slice height is 60dp -->
+    <dimen name="abc_slice_large_height">1200dp</dimen>
 
     <!-- System navigation settings illustration height -->
     <dimen name="system_navigation_illustration_height">320dp</dimen>