fix(android): linear gradient with platform color

[intergalacticspacehighway]

Summary:

Fix platform color on android with linear gradient.

Changelog:

[ANDROID] [FIXED] - Linear gradient with platform colors

Test Plan:

Added example and testcases

[facebook-github-bot]

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

[facebook-github-bot]

@NickGerleman merged this pull request in facebook/react-native@6866968a79d44518884965959760983acdadc17c.

[react-native-bot]

This pull request was successfully merged by @intergalacticspacehighway in 6866968a79d44518884965959760983acdadc17c

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