Merge pull request #10011 from tonykwok:dev-v2

PiperOrigin-RevId: 431395359
(cherry picked from commit f66c9290)

library/core/src/main/java/com/google/android/exoplayer2/drm/UnsupportedDrmException.java

@@ -23,6 +23,8 @@ import static java.lang.annotation.ElementType.TYPE_USE;
 
 import androidx.annotation.IntDef;
 import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 /** Thrown when the requested DRM scheme is not supported. */
@@ -33,8 +35,9 @@ public final class UnsupportedDrmException extends Exception {
    * #REASON_INSTANTIATION_ERROR}.
    */
   // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
-  // with Kotlin usages from before TYPE_USE was added.  @Retention(RetentionPolicy.SOURCE)
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
+  @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
   @IntDef({REASON_UNSUPPORTED_SCHEME, REASON_INSTANTIATION_ERROR})
   public @interface Reason {}