tree 05ad92774cb2af2faafe6b5e9fd8b485712452ac
parent a9ac86f67931232bf33765e2491f6bec2f0ef10d
author Hyundo Moon <hdmoon@google.com> 1556860764 +0900
committer Hyundo Moon <hdmoon@google.com> 1556860798 +0900

Enhance Javadoc of playback speed related APIs

This CL also makes throw IllegalArgumentException when controller
tries to set the speed to zero.

Bug: 131873534
Test: atest CtsMediaTestCases:android.media.cts.MediaSessionTest;
      atest CtsMediaTestCases:android.media.cts.MediaControllerTest;
      atest CtsMediaTestCases:android.media.cts.MediaBrowserTest;
      atest CtsMediaTestCases:android.media.cts.MediaSessionManagerTest;
Change-Id: I78f775df369de48b1ebda66fdb6e251b6e0865c1