Show rewind and fast forward icons on wearable

Description

This MR enhances wearable support for 10 second skip when listening to podcasts. Wearable requires a few extras from MediaControlConstants to control the appearance of previous/next actions in the same manner as Android Auto. A separate function was created to add the seek icons in order to support an upcoming change to podcast mode, which uses the same custom actions in a different sequence.

Motivation and Context

This is a follow-on to !1087 (merged) which introduced seek support for podcasts to Android Auto.

How Has This Been Tested?

Tested with WearOS Emulator running Android 9 connected to a Pixel 3 running Android 11

Screenshots / GIFs (if appropriate):

Types of changes

• Enhancement (non-breaking change which cleans up / improves existing functionality)

Checklist

• I have read the CONTRIBUTING section of the README document.

added 1 commit

• 0114da17 - Show rewind and fast forward icons on wearable

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changed the description

I am not able to make it work. Even if podcastMode is set to true, I still get the (disabled) skip icons.

Is there something that I am missing?

resolved all threads

mentioned in issue #2196 (closed)

resolved all threads

added 5 commits

• 0114da17...fd8d827c - 4 commits from branch videolan:master
• 459b0c90 - Show rewind and fast forward icons on wearable

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enabled an automatic merge when the pipeline for 459b0c90 succeeds

merged