Removing addJavascriptInterface support from all Android versions lower than 4.2 due to security vulnerability

(cherry picked from commit 8f54290eeccab441504f9e3a913a4fbacd3b89d6)
(cherry picked from commit b004015d6cbc310cb4f76673fd8fd97a545d450c)
Update IBM-MODIFICATIONS for addJavascriptInterface fix