Bump min sdk to 14
Bump min sdk to 14

Summary: 9 is ancient and 14 is the minimum for the support library

Reviewed By: nscoding

Differential Revision: D13641858

fbshipit-source-id: 6125ef757f54603cc68db79c52b5ed7eca282331

facebook/screenshot-tests-for-android,facebook/screenshot-tests-for-android,facebook/screenshot-tests-for-android,facebook/screenshot-tests-for-android