arc: [15/N] Move //{ => ash}/components/arc/[klm]*

This CL moves part of //components/arc:arc target to
//ash/components/arc:arc

Move:
{ => ash}components/arc/keyboard_shortcut
{ => ash}components/arc/lock_screen
{ => ash}components/arc/memory
{ => ash}components/arc/memory_pressure
{ => ash}components/arc/metrics
{ => ash}components/arc/midis

This is part of the LaCrOs directory migration
https://docs.google.com/document/d/1g-98HpzA8XcoGBWUv1gQNr4rbnD5yfvbtYZyPDDbkaE

Bug: b:129295708
Test: CI
Change-Id: I3e2143842251e95ff9f1ffa8cc009ac3a0fbc7f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3287409
Auto-Submit: Yao Li <yaohuali@google.com>
Reviewed-by: James Cook <jamescook@chromium.org>
Owners-Override: James Cook <jamescook@chromium.org>
Commit-Queue: Yao Li <yaohuali@google.com>
Cr-Commit-Position: refs/heads/main@{#942782}