Add SENTRY_AUTO_INIT environment variable to control OpenTelemetry Agent init

[adinauer]

📜 Description

Add SENTRY_AUTO_INIT environment variable to control OpenTelemetry Agent init.

💡 Motivation and Context

If a user provides SENTRY_DSN or SENTRY_PROPERTIES_FILE environment variables but intends to use Sentry.init in the target application this allows them to turn off auto init by the Sentry OpenTelemetry Java Agent.

💚 How did you test it?

Manually

📝 Checklist

• I reviewed the submitted code
• I added tests to verify the changes
• I updated the docs if needed
• No breaking changes

🔮 Next steps

[github-actions]

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Generated by 🚫 dangerJS against 244d54e

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	292.46 ms	333.00 ms	40.54 ms
Size	1.73 MiB	2.32 MiB	612.44 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
1e1ab7f	383.48 ms	441.37 ms	57.89 ms
90e9745	314.68 ms	357.28 ms	42.60 ms
81a1a6c	294.04 ms	341.19 ms	47.15 ms
81a1a6c	328.73 ms	421.28 ms	92.55 ms
4a9c176	320.62 ms	334.68 ms	14.06 ms
3695453	314.63 ms	353.10 ms	38.47 ms
a04f788	321.78 ms	354.12 ms	32.35 ms
31f3e4c	325.22 ms	342.77 ms	17.55 ms
ecf9680	326.55 ms	360.26 ms	33.71 ms
ecf9680	321.55 ms	385.52 ms	63.97 ms

App size

Revision	Plain	With Sentry	Diff
1e1ab7f	1.73 MiB	2.32 MiB	612.36 KiB
90e9745	1.73 MiB	2.32 MiB	608.63 KiB
81a1a6c	1.73 MiB	2.32 MiB	612.47 KiB
81a1a6c	1.73 MiB	2.32 MiB	612.47 KiB
4a9c176	1.73 MiB	2.33 MiB	612.69 KiB
3695453	1.73 MiB	2.32 MiB	611.62 KiB
a04f788	1.73 MiB	2.32 MiB	609.88 KiB
31f3e4c	1.73 MiB	2.32 MiB	612.47 KiB
ecf9680	1.73 MiB	2.32 MiB	612.39 KiB
ecf9680	1.73 MiB	2.32 MiB	612.39 KiB

Previous results on branch: feat/allow-turning-off-auto-init-in-otel-agent

Startup times

Revision	Plain	With Sentry	Diff
fd9d617	319.02 ms	351.73 ms	32.71 ms
fe38665	278.45 ms	324.78 ms	46.33 ms
10bb0b0	305.47 ms	334.56 ms	29.09 ms
961331f	284.29 ms	341.83 ms	57.54 ms

App size

Revision	Plain	With Sentry	Diff
fd9d617	1.73 MiB	2.32 MiB	612.36 KiB
fe38665	1.73 MiB	2.32 MiB	612.44 KiB
10bb0b0	1.73 MiB	2.32 MiB	612.39 KiB
961331f	1.73 MiB	2.32 MiB	612.44 KiB

[codecov-commenter]

Codecov Report

Base: 80.03% // Head: 80.03% // No change to project coverage 👍

Coverage data is based on head (2d1a223) compared to base (34a8bfd).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2410   +/-   ##
=========================================
  Coverage     80.03%   80.03%           
  Complexity     3765     3765           
=========================================
  Files           301      301           
  Lines         14207    14207           
  Branches       1884     1884           
=========================================
  Hits          11371    11371           
  Misses         2092     2092           
  Partials        744      744           

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