Blind GM rebaseline for Galaxy S4

BUG=skia:3032

Review URL: https://codereview.chromium.org/694573002
Update the Android NDK to r10c

Review URL: https://codereview.chromium.org/689943002
Trying to be consistent when members are allowed to be NULL

Got a few crashes running the fuzzer locally, all related to handling NULL members/parameters in an inconsistent way.

BUG=skia:

Review URL: https://codereview.chromium.org/675013003