[ANR] Reduced AndroidTransactionProfiler lock

[stefanosiano]

📜 Description

Removed lock from AndroidTransactionProfiler

💡 Motivation and Context

Trying to reduce ANRs. There are reports of ANRs happening when getting the lock on transaction start/end

resolves #4792

💚 How did you test it?

📝 Checklist

• I added GH Issue ID & Linear ID
• 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.
• I updated the wizard 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	329.80 ms	401.20 ms	71.41 ms
Size	1.58 MiB	2.12 MiB	548.08 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
85d7417	347.21 ms	394.35 ms	47.15 ms
d364ace	411.72 ms	430.81 ms	19.10 ms
ee747ae	396.82 ms	441.67 ms	44.86 ms
bdbe1f4	380.66 ms	464.44 ms	83.78 ms
c8125f3	383.82 ms	441.66 ms	57.84 ms
ee747ae	386.94 ms	431.43 ms	44.49 ms
806307f	357.85 ms	424.64 ms	66.79 ms
ee747ae	554.98 ms	611.50 ms	56.52 ms
b3d8889	371.69 ms	432.96 ms	61.26 ms
7314dbe	437.83 ms	505.64 ms	67.81 ms

App size

Revision	Plain	With Sentry	Diff
85d7417	1.58 MiB	2.10 MiB	533.44 KiB
d364ace	1.58 MiB	2.11 MiB	539.75 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
bdbe1f4	1.58 MiB	2.11 MiB	538.88 KiB
c8125f3	1.58 MiB	2.10 MiB	532.32 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
806307f	1.58 MiB	2.10 MiB	533.42 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
b3d8889	1.58 MiB	2.10 MiB	535.06 KiB
7314dbe	1.58 MiB	2.10 MiB	533.45 KiB

Previous results on branch: stefanosiano/enh/remove-profiling-lock

Startup times

Revision	Plain	With Sentry	Diff
6329f7d	302.88 ms	357.80 ms	54.92 ms

App size

Revision	Plain	With Sentry	Diff
6329f7d	1.58 MiB	2.11 MiB	539.66 KiB

[romtsn]

haven't looked at the entire PR yet, but feels like this should be AtomicBoolean?

[stefanosiano]

don't think it's necessary
it's accessed by AndroidTransactionProfiler only in the block guarded by its own AtomicBoolean isRunning