Roll Help App from q7fJGoUZf... to HZNHFa2Cc...

Release_Notes:http://go/help_app-x20/relnotes/Nightly/help_app_nightly_202008200800_RC01.html

https://chrome-infra-packages.appspot.com/p/chromeos_internal/apps/help_app/app/+/HZNHFa2CcUZB-FO9DToAmE5qKZsX_2h2bM8NbJPrGd0C

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://skia-autoroll.corp.goog/r/help-app-chromium-autoroll
Please CC help-app@grotations.appspotmail.com 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.chrome.try:linux-chromeos-chrome
Bug: b/159384835
Tbr: help-app@grotations.appspotmail.com
Change-Id: I7e756cb8946ae0170759fdcb0b9c3672f05b4799
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2378224Reviewed-by: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Commit-Queue: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#802098}

DEPS

@@ -1551,7 +1551,7 @@ deps = {
     'packages': [
       {
         'package': 'chromeos_internal/apps/help_app/app',
-        'version': 'q7fJGoUZfsUaMt-ae3SViUsR1NdBaXcLVuaNOAI_8CMC',
+        'version': 'HZNHFa2CcUZB-FO9DToAmE5qKZsX_2h2bM8NbJPrGd0C',
       },
     ],
     'condition': 'checkout_chromeos and checkout_src_internal',