Have you seen this beyond the webgl_conformance_tests? If not, it wouldn't affect the CQ.

We run webgl tests for gpu affecting CLs on https://build.chromium.org/p/tryserver.chromium.android/builders/android_optional_gpu_tests_rel

But no, that's the only occurrence I've seen. Could be a bad bot.

right, I forget about the directory-specific bots at times.

Dropping priority until we see evidence of broader impact.

Looks like it was a rare flake, will close.