Add PKG="examples/hacker_news_pwa" to the list of packages that are allowed to fail on travis.

This package depends on pageloader, which is not updated to the latest pkg:build.

PiperOrigin-RevId: 216267252

Author: alorenzen

.travis.yml

@@ -40,12 +40,13 @@ stages:
   #- deploying
 
 jobs:
-  # Both of these packages have external dependencies that will not always
+  # All of these packages have external dependencies that will not always
   # pass at MASTER/HEAD for our mono repository. It's OK for these to fail and
   # not block the build.
   #
   # See https://github.com/dart-lang/angular/issues/1114.
   allow_failures:
+    - env: PKG="examples/hacker_news_pwa"
     - env: PKG="examples/github_issues"
     - env: PKG="examples/registration_form"
 

dev/tool/travis/prefix.yaml

@@ -40,12 +40,13 @@ stages:
   #- deploying
 
 jobs:
-  # Both of these packages have external dependencies that will not always
+  # All of these packages have external dependencies that will not always
   # pass at MASTER/HEAD for our mono repository. It's OK for these to fail and
   # not block the build.
   #
   # See https://github.com/dart-lang/angular/issues/1114.
   allow_failures:
+    - env: PKG="examples/hacker_news_pwa"
     - env: PKG="examples/github_issues"
     - env: PKG="examples/registration_form"