Revert "Roll Fuchsia SDK from 0.20200527.2.1 to 0.20200528.0.1"

This reverts commit ffa84d15.

Reason for revert: SDK roll appears to remove the "archive_manifest" output files, on which Chromium's runner scripts depend.  See https://crbug.com/1087301

Original change's description:
> Roll Fuchsia SDK from 0.20200527.2.1 to 0.20200528.0.1
> 
> If this roll has caused a breakage, revert this CL and stop the roller
> using the controls here:
> https://autoroll.skia.org/r/fuchsia-sdk-chromium-autoroll
> Please CC cr-fuchsia+bot@chromium.org on the revert to ensure that a human
> is aware of the problem.
> 
> To report a problem with the AutoRoller itself, please file a bug:
> https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug
> 
> Documentation for the AutoRoller is here:
> https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md
> 
> Cq-Include-Trybots: luci.chromium.try:fuchsia-arm64-cast;luci.chromium.try:fuchsia-x64-cast
> Tbr: cr-fuchsia+bot@chromium.org
> Change-Id: Ic09ff38240ec2167c9647fde2f2c8dde7f9c653e
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2219633
> Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/master@{#772590}

TBR=chromium-autoroll@skia-public.iam.gserviceaccount.com,cr-fuchsia+bot@chromium.org

Change-Id: I80c7cf681ddbb96cfb8399eb9fd1ee36753ff428
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Cq-Include-Trybots: luci.chromium.try:fuchsia-arm64-cast;luci.chromium.try:fuchsia-x64-cast
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2219888Reviewed-by: Wez <wez@chromium.org>
Commit-Queue: Wez <wez@chromium.org>
Auto-Submit: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#772638}

build/fuchsia/linux.sdk.sha1

-0.20200528.0.1
+0.20200527.2.1

build/fuchsia/mac.sdk.sha1

-0.20200528.0.1
+0.20200527.1.1