Import paper-dialog, paper-dialog-behavior and paper-dialog-scrollable

Change-Id: I1c43d78e3d785a60c8930fabbe5ca8e38573483a
diff --git a/polygerrit-ui/app/yarn.lock b/polygerrit-ui/app/yarn.lock
index ec00b7a..06b0e96 100644
--- a/polygerrit-ui/app/yarn.lock
+++ b/polygerrit-ui/app/yarn.lock
@@ -188,6 +188,35 @@
     "@polymer/paper-styles" "^3.0.0-pre.26"
     "@polymer/polymer" "^3.0.0"
 
+"@polymer/paper-dialog-behavior@^3.0.0-pre.26", "@polymer/paper-dialog-behavior@^3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@polymer/paper-dialog-behavior/-/paper-dialog-behavior-3.0.1.tgz#819b2fbb9444c1c318ddf55f02819bb29a85657b"
+  integrity sha512-wbI4kCK8le/9MHT+IXzvHjoatxf3kd3Yn0tgozAiAwfSZ7N4Ubpi5MHrK0m9S9PeIxKokAgBYdTUrezSE5378A==
+  dependencies:
+    "@polymer/iron-overlay-behavior" "^3.0.0-pre.27"
+    "@polymer/paper-styles" "^3.0.0-pre.26"
+    "@polymer/polymer" "^3.0.0"
+
+"@polymer/paper-dialog-scrollable@^3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@polymer/paper-dialog-scrollable/-/paper-dialog-scrollable-3.0.1.tgz#42fd30380320e6dd6d4d68b2ac4e45ee9e5e024f"
+  integrity sha512-1E8B9kNdL58jUrJ/BwqJeOoNVcxNrB559z//d1V0rVHWT5bWCCZegwS3G06iFK5MjxWFbIKzleVTLrT0opiZkA==
+  dependencies:
+    "@polymer/iron-flex-layout" "^3.0.0-pre.26"
+    "@polymer/paper-dialog-behavior" "^3.0.0-pre.26"
+    "@polymer/paper-styles" "^3.0.0-pre.26"
+    "@polymer/polymer" "^3.0.0"
+
+"@polymer/paper-dialog@^3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@polymer/paper-dialog/-/paper-dialog-3.0.1.tgz#728ebdbfc4d35ec1485e543434cef5dba476f15e"
+  integrity sha512-KvglYbEq7AWJvui2j6WKLnOvgVMeGjovAydGrPRj7kVzCiD49Eq/hpYFJTRV5iDcalWH+mORUpw+jrFnG9+Kgw==
+  dependencies:
+    "@polymer/iron-overlay-behavior" "^3.0.0-pre.27"
+    "@polymer/neon-animation" "^3.0.0-pre.26"
+    "@polymer/paper-dialog-behavior" "^3.0.0-pre.26"
+    "@polymer/polymer" "^3.0.0"
+
 "@polymer/paper-icon-button@^3.0.0-pre.26":
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/@polymer/paper-icon-button/-/paper-icon-button-3.0.2.tgz#a1254faadc2c8dd135ce1ae33bcc161a94c31f65"