feat(performance): make ActivityFramesTracker public

[ninniuz]

📜 Description

Make ActivityFramesTracker and LoadClass public.

💡 Motivation and Context

If the Context used in SentryAndroid.init is not an Application then the ActivityFramesTracker integration is not automatically added to the available ones.
It might be possible that applications need to init Sentry in Context#attachBaseContext providing base Context instead of the current Application.

With this change, integrators can enable ActivityFramesTracker integration during configuration init.

💚 How did you test it?

I have created two variants of the sample Android app and verified them both against a personal sentry.io project.

📝 Checklist

• I reviewed the submitted code
• I added tests to verify the changes
• I updated the docs if needed
• No breaking changes

🔮 Next steps

Maybe add a no-args ctor to ActivityFramesTracker which internally provisions an instance of LoadClass? It feels a bit awkward to have to create that class in the ctor.

[codecov-commenter]

Codecov Report

Merging #1922 (274bf25) into main (4362229) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #1922   +/-   ##
=========================================
  Coverage     75.46%   75.46%           
  Complexity     2248     2248           
=========================================
  Files           225      225           
  Lines          8036     8036           
  Branches        851      851           
=========================================
  Hits           6064     6064           
  Misses         1562     1562           
  Partials        410      410           

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[marandaneto]

Suggested change

	flavorDimensions += "init"
	productFlavors {
	create("default") {
	dimension = "init"
	applicationIdSuffix = ".default"
	versionNameSuffix = "-default"
	}
	create("early") {
	dimension = "init"
	applicationIdSuffix = ".early"
	versionNameSuffix = "-early"
	}
	}
	flavorDimensions += "init"
	productFlavors {
	create("default") {
	dimension = "init"
	applicationIdSuffix = ".default"
	versionNameSuffix = "-default"
	}
	create("early") {
	dimension = "init"
	applicationIdSuffix = ".early"
	versionNameSuffix = "-early"
	}
	}

I'd rather remove the flavors since it makes the build slower, with more stuff to build and test, per flavor.

[marandaneto]

I'd rather roll back the sample changes, and focus only on the classes visibility.

[marandaneto]

@ninniuz please add an entry to the changelog :)

Thanks for doing this.

[marandaneto]

@ninniuz Thanks for doing the PR, closing it in favor of #1931 anyway since we need it asap.
For some reason, git failed pushing to your branch, so I could address the view myself.

[ninniuz]

@marandaneto 👍