Fix auto restart video stream to ensure hmi level is streamable

[JulianKast]

Fixes #1807

This PR is [ready] for review.

Risk

This PR makes [minor] API changes.

Testing Plan

• I have verified that I have not introduced new warnings in this PR (or explain why below)
• I have run the unit tests with this PR
• I have tested this PR against Core and verified behavior (if applicable, if not applicable, explain why below).
• I have tested Android

Core Tests

Test:
Start a video stream to sdl_hmi
Using voice commands exit out of the app
Open app on HMI

Result:
You should be prompted by hmi to start streaming, click ok and video should stream.

Core 8.1 with sdl_hmi

Summary

Adds check to VideoStreamManager to check if HMI level is streamable before restarting video streaming, and added behavior for the stream to auto-restart when hmi is in a streamable state

Changelog

Bug Fixes

• Fixes video stream manager form going into an unrecoverable state when it tries to start video streaming in a nonstreamable state

CLA

• I have signed the CLA

[codecov]

Codecov Report

Merging #1808 (eea49e9) into 5.4.0_RC (a624a06) will decrease coverage by 0.29%.
The diff coverage is 16.66%.

@@              Coverage Diff               @@
##             5.4.0_RC    #1808      +/-   ##
==============================================
- Coverage       54.05%   53.76%   -0.30%     
- Complexity       5519     5549      +30     
==============================================
  Files             562      562              
  Lines           25723    26060     +337     
  Branches         3372     3503     +131     
==============================================
+ Hits            13904    14010     +106     
- Misses          10562    10779     +217     
- Partials         1257     1271      +14     

Impacted Files	Coverage Δ
...tdevicelink/managers/video/VideoStreamManager.java	23.41% <0.00%> (+1.01%)	⬆️
...smartdevicelink/encoder/VirtualDisplayEncoder.java	41.83% <40.00%> (-3.43%)	⬇️
...ink/managers/screen/BaseTextAndGraphicManager.java	64.58% <0.00%> (+0.41%)	⬆️
...rc/main/java/com/android/grafika/gles/EglCore.java	44.82% <0.00%> (+0.86%)	⬆️
...rtdevicelink/streaming/video/SdlRemoteDisplay.java	51.21% <0.00%> (+1.21%)	⬆️
...icelink/managers/screen/PresentAlertOperation.java	59.92% <0.00%> (+2.71%)	⬆️

[noah-livio]

The code looks good and the fix works