Make volume panel tall again

On landscape large devices, volume panel should be tall enough to be
able to display all volume sliders without scrolling.

Bug: b/267325700
Test: Manual. Open volume panel on a large landscape device. All volume
sliders should be visible without the need to scroll.

Change-Id: Ic99a5576e118f3bf7ba217f34e4f5a03cdf111fb
Merged-In: Ic99a5576e118f3bf7ba217f34e4f5a03cdf111fb