Make infra failure message in Android compile bot more descriptive

Bug: skia:
Change-Id: I473b3f9a42dc9a65e0912263cc5ff8c204bfae6b
Reviewed-on: https://skia-review.googlesource.com/135784
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
1 file changed