Update layout for displays with small height.

- Add HorizontalScrollView for the Quick Access Shelf to allow
scrolling when buttons don't fit horizontally.
- For displays with height <= 411dp, hide the metadata section and show
only the application icon to the left of the Quick Access Shelf.

Fix: 431162200
Test: atest MediaOutputDialogFullScreenshotTest
Test: atest MediaOutputDialogLowResScreenshotTest
Test: On a device with font and display size set to max.
Flag: EXEMPT BUGFIX
Change-Id: I039dedd4be85ad01425235cdda0c78c67c09f43d