[native] Fix MediaGalleryKeyboard for Android 10

Summary: We need to specify this to make expo-media-library paths work on Android 10. Found this out on this issue.

Test Plan: See if media renders in Android 10 emulator

Reviewers: atul, palys-swm

Reviewed By: atul

Subscribers: KatPo, zrebcu411, Adrian, subnub

Differential Revision: https://phabricator.ashoat.com/D924