Bump AGP to 7.3.1

[cortinico]

Summary:
That's just a minor bump of AGP before the branch cut.

Changelog:
[Android] [Changed] - Bump AGP to 7.3.1

Reviewed By: cipolleschi

Differential Revision: D40752006

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D40752006

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
ios	-	universal	n/a	--

Base commit: b966d29
Branch: main

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	7,000,775	+5
android	hermes	armeabi-v7a	6,377,252	+10
android	hermes	x86	7,413,337	+68
android	hermes	x86_64	7,277,237	+11
android	jsc	arm64-v8a	8,867,376	-58
android	jsc	armeabi-v7a	7,605,702	-56
android	jsc	x86	8,925,291	+18
android	jsc	x86_64	9,408,511	-47

Base commit: b966d29
Branch: main

[pull-bot]

PR build artifact for 16ad4dd is ready.
To use, download tarball from "Artifacts" tab in this CircleCI job then run yarn add <path to tarball> in your React Native project.

[pull-bot]

PR build artifact for 16ad4dd is ready.
To use, download tarball from "Artifacts" tab in this CircleCI job then run yarn add <path to tarball> in your React Native project.

[react-native-bot]

This pull request was successfully merged by @cortinico in 1f42ff0.

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