Do not crash when installing shutdown hook

[romtsn]

📜 Description

• There was a report from the SDK console (See below), so I've just wrapped the addShutdownHook method analogous to what we do when removing the hook

💡 Motivation and Context

Google Play SDK console yield this crash:

Exception java.lang.IllegalStateException: VM already shutting down
  at java.lang.Runtime.addShutdownHook (Runtime.java:280)
  at io.sentry.ShutdownHookIntegration.register (ShutdownHookIntegration.java:34)
  at io.sentry.Sentry.init (Sentry.java:237)
  at io.sentry.Sentry.init (Sentry.java:147)
  at io.sentry.android.core.SentryAndroid.init (SentryAndroid.java:89)
  at io.sentry.android.core.SentryAndroid.init (SentryAndroid.java:70)
  at <private>
  at java.lang.reflect.Method.invoke
  at <private>
  at android.os.Handler.handleCallback (Handler.java:1000)
  at android.os.Handler.dispatchMessage (Handler.java:104)
  at <private>
  at android.os.Looper.loopOnce (Looper.java:242)
  at android.os.Looper.loop (Looper.java:362)
  at <private>
  at java.lang.Thread.run (Thread.java:1012)

💚 How did you test it?

unit tests

📝 Checklist

• I reviewed the submitted code.
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	482.89 ms	597.22 ms	114.33 ms
Size	1.70 MiB	2.28 MiB	592.39 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
d6d2b2e	392.55 ms	467.50 ms	74.95 ms
c7e2fbc	393.98 ms	478.24 ms	84.27 ms
4e260b3	388.40 ms	468.98 ms	80.58 ms
28c9a83	366.20 ms	433.88 ms	67.67 ms
baaf637	418.39 ms	496.86 ms	78.47 ms
283d83e	416.81 ms	497.22 ms	80.41 ms
283d83e	348.44 ms	392.06 ms	43.62 ms
0bf143e	368.35 ms	437.47 ms	69.12 ms
86f0096	368.63 ms	446.92 ms	78.29 ms
619c9b9	428.23 ms	514.66 ms	86.43 ms

App size

Revision	Plain	With Sentry	Diff
d6d2b2e	1.72 MiB	2.27 MiB	555.05 KiB
c7e2fbc	1.72 MiB	2.29 MiB	576.40 KiB
4e260b3	1.72 MiB	2.27 MiB	554.95 KiB
28c9a83	1.70 MiB	2.28 MiB	592.00 KiB
baaf637	1.72 MiB	2.27 MiB	558.42 KiB
283d83e	1.72 MiB	2.29 MiB	577.69 KiB
283d83e	1.72 MiB	2.29 MiB	577.69 KiB
0bf143e	1.72 MiB	2.29 MiB	576.50 KiB
86f0096	1.72 MiB	2.29 MiB	576.50 KiB
619c9b9	1.70 MiB	2.28 MiB	592.12 KiB

Previous results on branch: rz/fix/shutdownhook-too-late

Startup times

Revision	Plain	With Sentry	Diff
fbd7a40	348.85 ms	424.92 ms	76.07 ms

App size

Revision	Plain	With Sentry	Diff
fbd7a40	1.70 MiB	2.28 MiB	592.39 KiB

[adinauer]

LGTM