Update Android shell tarball for SDK38 with targetSdkVersion bumped to 29

[sjchmiela]

Checklist

• [x] I've read the Contribution Guidelines.
• [x] I've updated the CHANGELOG if necessary.
• [x] I've ensured the unit and smoke tests are still passing - either by running yarn test:unit and yarn test:smoke:[ios|android] or by checking the appropriate CircleCI builds' statuses.
• [x] I've manually tested whether the changes I made work as expected.

Motivation and Context

See https://github.com/expo/expo/pull/9446 and https://forums.expo.io/t/google-api-level-29/41231.

Description

Updated Android SDK38 tarball with project with updated targetSdkVersion.