Merge "Update Contenet Capture API discription" into sc-v2-dev am: 8528d07450

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16345097

Change-Id: I80a03e94f49cb7c3b8c86081929e9f99ac275a70

core/java/android/view/contentcapture/ContentCaptureManager.java

@@ -483,6 +483,8 @@ public final class ContentCaptureManager {
     /**
      * Returns the component name of the system service that is consuming the captured events for
      * the current user.
+     *
+     * @throws RuntimeException if getting the component name is timed out.
      */
     @Nullable
     public ComponentName getServiceComponentName() {