Fix LCM to close down properly

[joeygrover]

This PR is ready for review.

Risk

This PR makes no 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 TDK and verified behavior (if applicable, if not applicable, explain why below).
• I have tested Android, Java SE, and Java EE

Summary

This PR fixes some issues where the library is shutting down but the app wasn't unregistered from the IVI properly. It also fixes a SYNG 4 bug that caused incorrect app closing after a reregister.

Changelog

Bug Fixes

• Fixed properly sending an UnregisterAppInterface when the LCM is shutting down
• Removed redundant code that closed the RPC service before cleaning the whole LCM
• Removed code from the UnregisterAppInterface response listener that caused issues with SYNC 4.
• Added a missing init call in the Java SE LCM

CLA

• I have signed the CLA

[codecov]

Codecov Report

Merging #1796 (5cde7bb) into 5.4.0_RC (7094f6f) will decrease coverage by 0.03%.
The diff coverage is 48.38%.

@@              Coverage Diff               @@
##             5.4.0_RC    #1796      +/-   ##
==============================================
- Coverage       54.09%   54.06%   -0.04%     
  Complexity       5519     5519              
==============================================
  Files             562      562              
  Lines           25714    25714              
  Branches         3372     3370       -2     
==============================================
- Hits            13909    13901       -8     
- Misses          10545    10556      +11     
+ Partials         1260     1257       -3     

Impacted Files	Coverage Δ
...elink/managers/lifecycle/BaseLifecycleManager.java	15.29% <48.38%> (+1.52%)	⬆️
...com/smartdevicelink/protocol/SdlPacketFactory.java	51.42% <0.00%> (-11.43%)	⬇️
...rtdevicelink/streaming/video/SdlRemoteDisplay.java	50.00% <0.00%> (-2.44%)	⬇️
.../com/smartdevicelink/protocol/SdlProtocolBase.java	14.23% <0.00%> (-1.49%)	⬇️
...va/com/smartdevicelink/session/BaseSdlSession.java	15.65% <0.00%> (-1.02%)	⬇️
...com/smartdevicelink/util/MediaStreamingStatus.java	63.80% <0.00%> (-0.96%)	⬇️
...nk/managers/audio/AudioDecoderCompatOperation.java	79.54% <0.00%> (+4.54%)	⬆️

[JulianKast]

Just 3 very minor formatting changes are needed.