[Do Not Review] build: Raise minimum AGP to 9.1.1 for Android 17 toolchain prep

[0xadam-brown]

Summary

• Bump default AGP fallback to 9.2.1 (compileSdk 37 requires AGP 9.1.1+)
• Refresh agp-matrix to [9.1.1, 9.2.0, 9.2.1]
• Add AGP 9 migration opt-outs (builtInKotlin/newDsl) until kotlin-android removal
• AGP 9 compatibility fixes for replay, compose, and distribution modules

Test plan

• ./gradlew check green locally
• agp-matrix workflow green (all AGP × integrations combinations)
• integration-tests-ui-critical green
• integration-tests-ui green
• integration-tests-benchmarks green
• system-tests-backend green

Made with Cursor

[github-actions]

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## Unreleased

### Features

- Raise minimum AGP to 9.1.1 for Android 17 toolchain prep ([#5674](https://github.com/getsentry/sentry-java/pull/5674))

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Generated by 🚫 dangerJS against 2952bea

[sentry]

📲 Install Builds

Android

🔗 App Name	App ID	Version	Configuration
SDK Size	io.sentry.tests.size	8.46.0 (1)	release

⚙️ sentry-android Build Distribution Settings

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	339.14 ms	392.90 ms	53.76 ms
Size	0 B	0 B	0 B

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
abfcc92	304.04 ms	370.33 ms	66.29 ms
4e3e79d	365.83 ms	477.62 ms	111.79 ms
d8912da	329.94 ms	389.68 ms	59.74 ms
d15471f	294.13 ms	399.49 ms	105.36 ms
abf451a	332.82 ms	403.67 ms	70.85 ms
604a261	380.65 ms	451.27 ms	70.62 ms
806307f	357.85 ms	424.64 ms	66.79 ms
22f4345	307.87 ms	354.51 ms	46.64 ms
d217708	375.27 ms	415.68 ms	40.41 ms
c3ee041	310.64 ms	361.90 ms	51.26 ms

App size

Revision	Plain	With Sentry	Diff
abfcc92	1.58 MiB	2.13 MiB	557.31 KiB
4e3e79d	0 B	0 B	0 B
d8912da	0 B	0 B	0 B
d15471f	1.58 MiB	2.13 MiB	559.54 KiB
abf451a	1.58 MiB	2.20 MiB	635.29 KiB
604a261	1.58 MiB	2.10 MiB	533.42 KiB
806307f	1.58 MiB	2.10 MiB	533.42 KiB
22f4345	1.58 MiB	2.29 MiB	719.83 KiB
d217708	1.58 MiB	2.10 MiB	532.97 KiB
c3ee041	0 B	0 B	0 B