k0.8.4
FIX: support for ndk14
android/patches: add "0004-{abi}-link-prebuilt-staic-libraries-of-ffmepg.patch" update "0002-gradle-upgrade-build-tool-to-2.2.0-beta2.patch" fix an unpatch issue
android: migrate to Android Studio build system
copyright: add 2016 bilibili
ijk-addr2line.sh
android: add script for ndk-stack