Log KCM name instead of layout label in KeyboardConfiguration atom

KCM name is more accurate and doesn't change with user device language.
So, we should use it instead of Label which changes whenever user changes
their device language.

Test: atest KeyboardLayoutManagerTests
Test: atest KeyboardMetricCollectorTests
Bug: 304234577
Change-Id: I6ba4fd75cf6965685da43d014f764140d9a4f09f