Summary:
add back buildToolsVersion to build.gradle, because many third-party modules depend on it. The lack of this info causing issues in 0.58.
[Android] [Changed] - add back buildToolsVersion to template
Pull Request resolved: https://github.com/facebook/react-native/pull/23316
Differential Revision: D13974264
Pulled By: hramos
fbshipit-source-id: 058fc5617196d6481d1b69d2420c8b2be9cf4f81