Upgrade ImageMagick to 0e421edad2e6bc59894718fef2c93baadc0dfb11 am: f78c6274d1 am: ba85e9b766

Original change: https://android-review.googlesource.com/c/platform/external/ImageMagick/+/1515049

Change-Id: Ie8dbc9c9de712ffc31445c1be7bfb1ce66f61fcf