Skip activate-emsdk for arm linux
Skip activate-emsdk for arm linux

Change-Id: I2a0031ded1052dcd395d5695595161b76889b192
Bug: skia:13646
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/569537
Reviewed-by: Eric Boren <0e499112533c8544f0505ea0d08394fb5ad7d8fa@google.com>

google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia