Deprecate autoAppStart and setAppStartEnd

[buenaflor]

📜 Description

💡 Motivation and Context

Part of #2631

💚 How did you test it?

No new tests needed

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• No new PII added or SDK only sends newly added PII if sendDefaultPii is enabled
• I updated the docs if needed
• All tests passing
• No breaking changes

🔮 Next steps

[github-actions]

🚨 Detected changes in high risk code 🚨

High-risk code has higher potential to break the SDK and may be hard to test. To prevent severe bugs, apply the rollout process for releasing such changes and be extra careful when changing and reviewing these files:

• flutter/lib/src/integrations/native_app_start_integration.dart

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 92.15%. Comparing base (515c540) to head (67ea814).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
flutter/lib/src/sentry_flutter.dart	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2681      +/-   ##
==========================================
+ Coverage   88.98%   92.15%   +3.16%     
==========================================
  Files         262       90     -172     
  Lines        8906     2931    -5975     
==========================================
- Hits         7925     2701    -5224     
+ Misses        981      230     -751     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[github-actions]

Android Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	454.09 ms	588.85 ms	134.77 ms
Size	6.46 MiB	7.48 MiB	1.02 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
d44ba48	452.98 ms	509.60 ms	56.62 ms
cc80714	333.26 ms	388.80 ms	55.54 ms
43760f9	321.78 ms	366.77 ms	44.99 ms
74e1fdd	398.61 ms	418.43 ms	19.82 ms
8776cdf	353.32 ms	416.58 ms	63.26 ms
521cfbf	332.78 ms	376.04 ms	43.26 ms
5603ab2	309.84 ms	345.20 ms	35.36 ms
7ec9238	414.02 ms	513.94 ms	99.91 ms
f056db1	426.04 ms	475.76 ms	49.72 ms
2e93bab	515.33 ms	558.79 ms	43.46 ms

App size

Revision	Plain	With Sentry	Diff
d44ba48	6.46 MiB	7.49 MiB	1.02 MiB
cc80714	6.34 MiB	7.28 MiB	966.31 KiB
43760f9	6.15 MiB	7.13 MiB	1000.49 KiB
74e1fdd	6.33 MiB	7.27 MiB	954.12 KiB
8776cdf	6.34 MiB	7.28 MiB	966.66 KiB
521cfbf	5.94 MiB	6.97 MiB	1.03 MiB
5603ab2	5.94 MiB	6.95 MiB	1.01 MiB
7ec9238	6.35 MiB	7.42 MiB	1.06 MiB
f056db1	6.52 MiB	7.61 MiB	1.09 MiB
2e93bab	6.49 MiB	7.55 MiB	1.07 MiB

[github-actions]

iOS Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1252.02 ms	1271.75 ms	19.73 ms
Size	8.42 MiB	9.91 MiB	1.48 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
1cdcacf	1208.35 ms	1235.13 ms	26.77 ms
ddc97ad	1228.02 ms	1232.61 ms	4.59 ms
5baa201	1250.63 ms	1270.04 ms	19.41 ms
a80fbd1	1258.06 ms	1273.44 ms	15.38 ms
07cd9e8	1237.04 ms	1257.50 ms	20.46 ms
cdf7172	1264.43 ms	1291.39 ms	26.96 ms
e4d5aa8	1224.15 ms	1245.72 ms	21.57 ms
a40bb7c	1222.75 ms	1240.88 ms	18.13 ms
3500574	1263.02 ms	1263.73 ms	0.71 ms
04db237	1273.29 ms	1306.50 ms	33.21 ms

App size

Revision	Plain	With Sentry	Diff
1cdcacf	8.32 MiB	9.39 MiB	1.06 MiB
ddc97ad	8.29 MiB	9.37 MiB	1.08 MiB
5baa201	8.33 MiB	9.54 MiB	1.22 MiB
a80fbd1	8.42 MiB	9.89 MiB	1.46 MiB
07cd9e8	8.38 MiB	9.77 MiB	1.40 MiB
cdf7172	8.16 MiB	9.16 MiB	1.01 MiB
e4d5aa8	8.33 MiB	9.62 MiB	1.29 MiB
a40bb7c	8.38 MiB	9.73 MiB	1.35 MiB
3500574	8.29 MiB	9.38 MiB	1.09 MiB
04db237	8.15 MiB	9.13 MiB	1003.16 KiB

[denrase]

Sry about the confusion, lookin' good. 👍