[Android] Add additional null checks. General clean-up.

[Robert Stone]

vlc-android | branch: master | Robert Stone <rhstone at gmail.com> | Sun Nov 17 07:13:13 2024 -0800| [09832845ffe0b3abfb0f38d2895b0575012f8c51] | committer: Nicolas Pomepuy

Add additional null checks. General clean-up.

> https://code.videolan.org/videolan/vlc-android/commit/09832845ffe0b3abfb0f38d2895b0575012f8c51
---

 .../webserver/websockets/RemoteAccessWebSockets.kt | 293 +++++++++------------
 .../vlc/webserver/websockets/WSIncomingMessage.kt  |  36 ++-
 2 files changed, 162 insertions(+), 167 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/09832845ffe0b3abfb0f38d2895b0575012f8c51