Use new getCanonicalName and getMessage methods exposed by fbjni

[krystofwoldrich]

Summary:

When a new version of fbjni is released, we can simplify getName and getMessage calls on throwables.

Changelog:

[ANDROID] [CHANGED] - Use new getCanonicalName and getMessage methods exposed by fbjni

Test Plan:

https://github.com/facebookincubator/fbjni/pull/78

[javache]

fbjni 0.3.1 isn't shipped yet, right? I have a pending cleanup blocked on that too (I expect it to be 0.4.0 at this point).

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	8,749,345	-217,082
android	hermes	armeabi-v7a	8,061,144	-166,467
android	hermes	x86	9,240,401	-239,684
android	hermes	x86_64	9,090,309	-232,246
android	jsc	arm64-v8a	9,311,934	-215,422
android	jsc	armeabi-v7a	8,501,075	-164,812
android	jsc	x86	9,373,885	-238,023
android	jsc	x86_64	9,627,893	-230,581

Base commit: ede86a3c0c283f129727f14cda60a759fad8bfbf Branch: main

[facebook-github-bot]

@javache has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[github-actions[bot]]

This pull request was successfully merged by @krystofwoldrich in 6c729acd12933d79aae3ef05dbdecfa0feb96bf4.

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