uwb_core: send the session state change notification

Originally, we only send the notification when a session is
de-initialized. This CL changes to send the notification for all kind
of session state changed.

Bug: 228395837
Test: cargo test
Test: cargo clippy

Change-Id: I6e6f0e029cc2932f787a4a0eb19d11eb1de9b8e6
3 files changed
tree: 0ad29a1900eb5713fdf0f8b2d5fb0dd640fdcda5
  1. src/
  2. .gitignore
  3. Android.bp
  4. CleanSpec.mk
  5. METADATA
  6. MODULE_LICENSE_APACHE2
  7. NOTICE
  8. OWNERS
  9. PREUPLOAD.cfg