Remove exec bit from source file.

Exec bit added in https://skia.googlesource.com/skia/+/40ff5fe59b77b0b3e34467cc2f8666e4e88356f9

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2869

Change-Id: I238f75fe2a865923568ac8f63ee1978df6c89f6c
Reviewed-on: https://skia-review.googlesource.com/2869
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>
1 file changed