run infra/skqp/build_apk.sh from any directory

Change-Id: If3b7e46dce35b81fe31edc6678db4a863f590f2b
Reviewed-on: https://skia-review.googlesource.com/c/165306
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
1 file changed