Update dependency com.google.android.exoplayer:exoplayer to v2.18.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.android.exoplayer:exoplayer	2.18.3 -> 2.18.4

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Release Notes

google/ExoPlayer

v2.18.4

This release corresponds to the
AndroidX Media3 1.0.0-rc02 release.

• Core library:
  • Fix network type detection on API 33
    (#​10970).
  • Fix NullPointerException when calling ExoPlayer.isTunnelingEnabled
    (#​10977).
• Downloads:
  • Make the maximum difference of the start time of two segments to be
    merged configurable in SegmentDownloader and subclasses
    (#​248).
• Audio:
  • Fix broken gapless MP3 playback on Samsung devices
    (#​8594).
  • Fix bug where playback speeds set immediately after disabling audio may
    be overridden by a previous speed change
    (#​10882).
• Video:
  • Map HEVC HDR10 format to HEVCProfileMain10HDR10 instead of
    HEVCProfileMain10.
  • Add workaround for a device issue on Chromecast with Google TV and
    Lenovo M10 FHD Plus that causes 60fps AVC streams to be marked as
    unsupported
    (#​10898).
  • Fix frame release performance issues when playing media with a frame
    rate far higher than the screen refresh rate.
• Cast:
  • Fix transient STATE_IDLE when transitioning between media items
    (#​245).
• RTSP:
  • Catch the IllegalArgumentException thrown in parsing of invalid RTSP
    Describe response messages
    (#​10971).
• IMA extension:
  • Fix a bug which prevented DAI streams without any ads from starting
    because the first (and in the case without ads the only) LOADED event
    wasn't received.

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