[Android compile bot] Fix path to GS file name

Bug: skia:8388
Change-Id: Ifb9654439abf252c6e466d568329b151a4915e3f
Reviewed-on: https://skia-review.googlesource.com/c/175588
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
2 files changed