Add time-to-initial-display and time-to-full-display measurements to Activity transactions

[stefanosiano]

📜 Description

Added ttid and ttfd as measurements
Added getStartDate() to ISpan
Fixed ActivityLifecycleIntegration tests

💡 Motivation and Context

Currently we track time-to-initial-display and time-to-full-display as spans on automatic activity transactions.
Now we add them as measurements, too.
More info here.

💚 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]

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

Generated by 🚫 dangerJS against 800c092

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	296.48 ms	352.24 ms	55.76 ms
Size	1.73 MiB	2.26 MiB	548.04 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
d81684e	235.73 ms	328.76 ms	93.03 ms

App size

Revision	Plain	With Sentry	Diff
d81684e	1.73 MiB	2.26 MiB	547.78 KiB

Previous results on branch: feat/ttid-tffd-measurements

Startup times

Revision	Plain	With Sentry	Diff
97f2094	448.31 ms	498.76 ms	50.45 ms
55a1e65	311.44 ms	339.21 ms	27.77 ms
6939df1	311.71 ms	389.82 ms	78.11 ms

App size

Revision	Plain	With Sentry	Diff
97f2094	1.73 MiB	2.26 MiB	548.02 KiB
55a1e65	1.73 MiB	2.26 MiB	548.03 KiB
6939df1	1.73 MiB	2.26 MiB	547.98 KiB

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (d81684e) 81.31% compared to head (800c092) 81.31%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2611   +/-   ##
=========================================
  Coverage     81.31%   81.31%           
- Complexity     4187     4189    +2     
=========================================
  Files           336      336           
  Lines         15485    15487    +2     
  Branches       2020     2020           
=========================================
+ Hits          12591    12593    +2     
  Misses         2101     2101           
  Partials        793      793           

Impacted Files	Coverage Δ
sentry/src/main/java/io/sentry/SentryTracer.java	93.35% <ø> (ø)
sentry/src/main/java/io/sentry/Span.java	89.55% <ø> (ø)
...main/java/io/sentry/protocol/MeasurementValue.java	94.23% <ø> (ø)
sentry/src/main/java/io/sentry/NoOpSpan.java	25.00% <100.00%> (+2.41%)	⬆️
...entry/src/main/java/io/sentry/NoOpTransaction.java	24.44% <100.00%> (+1.71%)	⬆️

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[romtsn]

a couple of minor comments, but LGTM 🚀

[romtsn]

checked again, looking good