Add loading states on TV
Description
Add loading states
Motivation and Context
For now, no loading indicator is shown when retrieving media lists or file lists
How Has This Been Tested?
Emulator 28 / ADT-2 28
Screenshots / GIFs (if appropriate):
Types of changes
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Bug fix (non-breaking change which fixes an issue) -
New feature (non-breaking change which adds functionality) -
Enhancement (non-breaking change which cleans up / improves existing functionality) -
Breaking change (fix or feature that would cause existing functionality to change)
Checklist
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I have read the CONTRIBUTING section of the README document.