Build Observatory as part of runtime

runtime/observatory/pubspec.yaml

Index: runtime/observatory/pubspec.yaml
diff --git a/runtime/observatory/pubspec.yaml b/runtime/observatory/pubspec.yaml
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+name: observatory
+version: 1.6.0-dev.1
+dependencies:
+  args: any
+  polymer: any
+  unittest: any
+dependency_overrides:
+  analyzer:
+    path: ../../third_party/observatory_pub_packages/analyzer
+  args:
+    path: ../../third_party/observatory_pub_packages/args
+  barback:
+    path: ../../third_party/observatory_pub_packages/barback
+  browser:
+    path: ../../third_party/observatory_pub_packages/browser
+  code_transformers:
+    path: ../../third_party/observatory_pub_packages/code_transformers
+  collection:
+    path: ../../third_party/observatory_pub_packages/collection
+  csslib:
+    path: ../../third_party/observatory_pub_packages/csslib
+  html5lib:
+    path: ../../third_party/observatory_pub_packages/html5lib
+  logging:
+    path: ../../third_party/observatory_pub_packages/logging
+  matcher:
+    path: ../../third_party/observatory_pub_packages/matcher
+  observe:
+    path: ../../third_party/observatory_pub_packages/observe
+  path:
+    path: ../../third_party/observatory_pub_packages/path
+  polymer:
+    path: ../../third_party/observatory_pub_packages/polymer
+  polymer_expressions:
+    path: ../../third_party/observatory_pub_packages/polymer_expressions
+  pool:
+    path: ../../third_party/observatory_pub_packages/pool
+  smoke:
+    path: ../../third_party/observatory_pub_packages/smoke
+  source_maps:
+    path: ../../third_party/observatory_pub_packages/source_maps
+  source_span:
+    path: ../../third_party/observatory_pub_packages/source_span
+  stack_trace:
+    path: ../../third_party/observatory_pub_packages/stack_trace
+  string_scanner:
+    path: ../../third_party/observatory_pub_packages/string_scanner
+  template_binding:
+    path: ../../third_party/observatory_pub_packages/template_binding
+  unittest:
+    path: ../../third_party/observatory_pub_packages/unittest
+  utf:
+    path: ../../third_party/observatory_pub_packages/utf
+  watcher:
+    path: ../../third_party/observatory_pub_packages/watcher
+  web_components:
+    path: ../../third_party/observatory_pub_packages/web_components
+  yaml:
+    path: ../../third_party/observatory_pub_packages/yaml
+transformers:
+- polymer:
+    entry_points:
+    - web/index.html
+    - web/index_devtools.html
+    inline_stylesheets:
+      lib/src/elements/css/shared.css: false
+- $dart2js:
+    suppressWarnings: false
+    $exclude: web/main.dart