Implement native Android module that can remove all active notifications for a given thread

Summary: This differential implements native Android module to remove notifications for a given thread. In future differentials we will use to to remove threadID <-> notificationID mapping from redux.

Test Plan: Build the app. Import this module in JavaScript and call this method. Passing any string should work (not crashing).

Reviewers: tomek, atul, bartek

Reviewed By: tomek, bartek

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D6227