Restore some dropped release notes

Also fix a typo in them

PiperOrigin-RevId: 309221515

RELEASENOTES.md

@@ -110,6 +110,10 @@
     *   Implement timing-out of stuck CEA-608 captions (as permitted by
     *   Implement timing-out of stuck CEA-608 captions (as permitted by
         ANSI/CTA-608-E R-2014 Annex C.9) and set the default timeout to 16
         ANSI/CTA-608-E R-2014 Annex C.9) and set the default timeout to 16
         seconds ([#7181](https://github.com/google/ExoPlayer/issues/7181)).
         seconds ([#7181](https://github.com/google/ExoPlayer/issues/7181)).
+    *   Add special-case positioning behaviour for vertical cues being rendered
+        horizontally.
+    *   Implement steps 4-10 of the
+        [WebVTT line computation algorithm](https://www.w3.org/TR/webvtt1/#cue-computed-line).
 *   DRM:
 *   DRM:
     *   Add support for attaching DRM sessions to clear content in the demo app.
     *   Add support for attaching DRM sessions to clear content in the demo app.
     *   Remove `DrmSessionManager` references from all renderers.
     *   Remove `DrmSessionManager` references from all renderers.
@@ -150,6 +154,8 @@
     *   Upgrade Truth dependency from 0.44 to 1.0.
     *   Upgrade Truth dependency from 0.44 to 1.0.
     *   Upgrade to JUnit 4.13-rc-2.
     *   Upgrade to JUnit 4.13-rc-2.
 *   UI
 *   UI
+    *   Remove deperecated `exo_simple_player_view.xml` and
+        `exo_playback_control_view.xml` from resource.
     *   Add `showScrubber` and `hideScrubber` methods to DefaultTimeBar.
     *   Add `showScrubber` and `hideScrubber` methods to DefaultTimeBar.
     *   Move logic of prev, next, fast forward and rewind to ControlDispatcher
     *   Move logic of prev, next, fast forward and rewind to ControlDispatcher
         ([#6926](https://github.com/google/ExoPlayer/issues/6926)).
         ([#6926](https://github.com/google/ExoPlayer/issues/6926)).