Add basic skins for 3 presets

These skins only defined dimensions.
1. automotive_landscape
2. automotive_ultrawide
3. automotive_portrait

Add extar margin in layouts so user can use it to move the emu.

TODO: Add background/foregounds

Bug: 315032735
Test: Add skin absolute path to config.ini then boots emu
Change-Id: I92620006af0e4273b28fa0ec89911c3f107137b0
3 files changed