Update travis to run with dev SDK

PiperOrigin-RevId: 216949255

.travis.yml

@@ -1,18 +1,18 @@
-# Created with https://github.com/dart-lang/mono_repo
+# Created with package:mono_repo v1.2.1
 language: dart
 
 jobs:
   include:
     - stage: analyze_and_format
-      name: "SDK: stable - DIR: angular_components - TASKS: [dartfmt -n --set-exit-if-changed ., dartanalyzer --fatal-warnings .]"
+      name: "SDK: dev - DIR: angular_components - TASKS: [dartfmt -n --set-exit-if-changed ., dartanalyzer --fatal-warnings .]"
       script: ./tool/travis.sh dartfmt dartanalyzer
       env: PKG="angular_components"
-      dart: stable
+      dart: dev
     - stage: unit_test
-      name: "SDK: stable - DIR: angular_components - TASKS: [./tool/travis/install_protoc.sh, pub run test --run-skipped]"
+      name: "SDK: dev - DIR: angular_components - TASKS: [./tool/travis/install_protoc.sh, pub run test --run-skipped]"
       script: ./tool/travis.sh command test
       env: PKG="angular_components"
-      dart: stable
+      dart: dev
 
 stages:
   - analyze_and_format

angular_components/mono_pkg.yaml

@@ -1,6 +1,6 @@
 # See https://github.com/dart-lang/mono_repo for details
 dart:
-  - stable
+  - dev
 
 stages:
   - analyze_and_format:

tool/travis.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Created with https://github.com/dart-lang/mono_repo
+# Created with package:mono_repo v1.2.1
 
 if [ -z "$PKG" ]; then
   echo -e '\033[31mPKG environment variable must be set!\033[0m'