Add Reassure mobile performance testing library (#49221)

* Add sample reassure perf-test

* Add reassure library

* Add text input performance tests

* Resolve merge conflicts

* Add RichText performance test

* Update package-lock.json and Reassure current.perf hashes

* Resolve merge conflicts

* Remove HTMLTextInput performance test and update current perf

* Remove Reassure current.perf files from git control

* Resolve merge conflicts

* Update package-lock.json

* Resolve merge conflicts

* Remove Gallery block perf-native test

* Remove duplicate device-tests command

* Add rich-text.perf-test.js to test/native directory

* Add test:perf:baseline command

* Remove Rich Text index.perf-test.js from rich-text/test directory

* Add Rich Text Reassure tests for onFocus and onBlur

* Add Rich Text Reassure tests for onSelectionChange and onKeyPress

* Fix typo in Rich Text perf test filename

* Remove Reassure CI code from Github workflow

* Update Rich Text performance test descriptions

* Update Rich Text performance test descriptions

* Move Rich Text perf test to be colocated within Rich Text directory

* Remove failing Rich Text perf tests

* Update Rich Text performance test to remove duplicate test case

* Add Paragraph performance test case

* Move perf-native.js tests to colocated performance directory

* Remove unnecessary import declaration

* Remove reassure-tests.sh CI script

* Update Paragraph Reassure performance test description

* Update Rich Text performance test import and props

* Remove unused props from Paragraph Reassure performance test

* Drop the perf-* prefix from Reassure performance test extensions

* Update Reassure script test paths

* Remove Paragraph performance test

* Fix prop name in Rich Text native perf test

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Co-authored-by: David Calhoun <438664+dcalhoun@users.noreply.github.com>

.gitignore

@@ -8,6 +8,7 @@ gutenberg.zip
 coverage
 *-performance-results.json
 .phpunit.result.cache
+.reassure
 
 # Directories/files that may appear in your environment
 *.log