Further reduce google3 stack size

It seems that the compiler added the stack size of two "if" branches,
rather than get the max of them...

Bug: skia:
Change-Id: Idf6b47cafd84c9a53a7b8dafb38f815e08094100
Reviewed-on: https://skia-review.googlesource.com/26780
Reviewed-by: Yuqian Li <liyuqian@google.com>
Commit-Queue: Yuqian Li <liyuqian@google.com>
1 file changed