Revert of Update the Android NDK to r10c (patchset #1 id:1 of https://codereview.chromium.org/687603002/)

Reason for revert:
Spooky behavior on Nexus GPUs

Original issue's description:
> Update the Android NDK to r10c
>
> Committed: https://skia.googlesource.com/skia/+/a01a17b3f2f225d9499627e20f9b42ce351bd0eb

TBR=tomhudson@chromium.org,borenet@google.com,tomhudson@google.com,djsollen@google.com
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/685753003
1 file changed