SkAR: drawing text, shapes, rotation modes enabled, translating objects

To run this app, you need to create an out directory as such:
bin/gn gen out/arm64 --args='ndk="NDK_PATH" target_cpu="ABI"'

For now, the only supported ABI is arm64

Change-Id: I012f0c6a0550d80a0028f42177d5ca72974d848d
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/130980
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Ziad Ben Hadj-Alouane <ziadb@google.com>
45 files changed