Remove ToT customview dependency for SlidingPaneLayout
Remove ToT customview dependency for SlidingPaneLayout

Switches to a prebuilt dependency for
customview and updates the description of
SlidingPaneLayout.

Test: ./gradlew bOS
Change-Id: Ibcd08c719503b3eb6edc3123e3452c33ff4611d6

androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx