Format Kotlin code in keep annotations with --kotlinlang-style

Keep using --google-style for the rest of the Kotlin code.

Also update the tool for copying keep annotations to androidx with new
source locations.

Bug: b/392865072
Change-Id: I8324255b7aa7a80b60c53d52d740ca9a7ff63dcb
diff --git a/src/keepanno/java/androidx/annotation/keep/CheckRemoved.kt b/src/keepanno/java/androidx/annotation/keep/CheckRemoved.kt
index 66117a2..00923ed 100644
--- a/src/keepanno/java/androidx/annotation/keep/CheckRemoved.kt
+++ b/src/keepanno/java/androidx/annotation/keep/CheckRemoved.kt
@@ -34,9 +34,9 @@
  */
 @Retention(AnnotationRetention.BINARY)
 @Target(
-  AnnotationTarget.TYPE,
-  AnnotationTarget.FIELD,
-  AnnotationTarget.FUNCTION,
-  AnnotationTarget.CONSTRUCTOR,
+    AnnotationTarget.TYPE,
+    AnnotationTarget.FIELD,
+    AnnotationTarget.FUNCTION,
+    AnnotationTarget.CONSTRUCTOR,
 )
 public annotation class CheckRemoved(val description: String = "")