Remove elevation from the full widgets picker container

Test: Open the full widgets picker and observe no shadow added to the
      rounded corners.
Bug: 189808029
Change-Id: I539f6ebc0310cd4a037cd5eab6db4ee22b579195

parent 75572340

res/layout/widgets_full_sheet.xml

+1 −2

Original line number	Diff line number	Diff line
		@@ -25,8 +25,7 @@
		android:id="@+id/container"
		android:layout_width="match_parent"
		android:layout_height="match_parent"
		android:background="?android:attr/colorBackground"
		android:elevation="4dp">
		android:background="?android:attr/colorBackground">

		<TextView
		android:id="@+id/no_widgets_text"