Convert ShortcutLoader to Kotlin

A preparation step to update ShortcutLoader logic and base it on
coroutines.

Utializing Gerrit modification tracking specific.
Patchsets:
1: Automatic conversion of ShortcutLoader from java to Kotlin; no other
   modifications.
2. Fix compile errors and unit tests.
3. Polish auto-converted Kotlin code plus somall refactoring:
   - some code snippets extracted into methods;
   - move shortcuts filtering by app status close tho the shortcut
     source.

Test: namual testing
Test: atest IntentResolverUnitTests

Change-Id: Ic0c265b41faba774964cc17c2912c4282f0a3c3a

0 files changed, 0 insertions, 0 deletions