Update location of intl package. (#12644)

Also switched to relative paths for local packages.

examples/flutter_gallery/BUILD.gn

@@ -12,7 +12,7 @@ flutter_app("flutter_gallery") {
   disable_analysis = true
 
   deps = [
-    "//lib/flutter/packages/flutter",
+    "../../packages/flutter",
     "//third_party/dart-pkg/pub/url_launcher",
   ]
 

packages/flutter/BUILD.gn

@@ -10,11 +10,11 @@ dart_package("flutter") {
   disable_analysis = true
 
   deps = [
+    "//third_party/dart/third_party/pkg/intl",
     "//third_party/dart-pkg/pub/async",
     "//third_party/dart-pkg/pub/collection",
     "//third_party/dart-pkg/pub/http",
     "//third_party/dart-pkg/pub/http_parser",
-    "//third_party/dart-pkg/pub/intl",
     "//third_party/dart-pkg/pub/meta",
     "//third_party/dart-pkg/pub/vector_math",
   ]

packages/flutter_test/BUILD.gn

@@ -10,7 +10,7 @@ dart_package("flutter_test") {
   disable_analysis = true
 
   deps = [
-    "//lib/flutter/packages/flutter",
+    "../flutter",
     "//third_party/dart-pkg/pub/quiver",
     "//third_party/dart-pkg/pub/test",
   ]