Update agp to v9.3.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.android.lint (source)	9.1.1 → 9.3.1
com.android.library (source)	9.1.1 → 9.3.1
com.android.application (source)	9.1.1 → 9.3.1
com.android.tools.build:gradle (source)	9.1.1 → 9.3.1

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[yschimke]

• Where:
  Build file '/home/runner/work/okhttp/okhttp/android-test/build.gradle.kts' line: 28

• What went wrong:
  class com.android.build.gradle.internal.api.DefaultAndroidLibrarySourceSet_Decorated cannot be cast to class com.android.build.gradle.api.AndroidLibrarySourceSet (com.android.build.gradle.internal.api.DefaultAndroidLibrarySourceSet_Decorated and com.android.build.gradle.api.AndroidLibrarySourceSet are in unnamed module of loader org.gradle.internal.classloader.VisitableURLClassLoader$InstrumentingVisitableURLClassLoader @65fb441a)

[yschimke]

might need similar changes to https://github.com/google/horologist/pull/2746/changes#diff-3f5201a1ea7ad88050bba2bbb2b950883b09612027213146cee362bca439f0da

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