Add foregroundColor plumbing to GoogleUserCircleAvatar (#245)

* Add foregroundColor plumbing to GoogleUserCircleAvatar

* review comments
diff --git a/packages/google_sign_in/CHANGELOG.md b/packages/google_sign_in/CHANGELOG.md
index 7be4d2e..681e829 100644
--- a/packages/google_sign_in/CHANGELOG.md
+++ b/packages/google_sign_in/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.0.2
+
+* Support setting foregroundColor in the avatar.
+
 ## 1.0.1
 
 * Change GMS dependency to 11.+
diff --git a/packages/google_sign_in/lib/widgets.dart b/packages/google_sign_in/lib/widgets.dart
index 04a43b5..513e5e8 100644
--- a/packages/google_sign_in/lib/widgets.dart
+++ b/packages/google_sign_in/lib/widgets.dart
@@ -24,6 +24,7 @@
   const GoogleUserCircleAvatar({
     @required this.identity,
     this.placeholderPhotoUrl,
+    this.foregroundColor,
     this.backgroundColor,
   })
       : assert(identity != null);
@@ -38,6 +39,11 @@
   /// The Google user's identity; guaranteed to be non-null.
   final GoogleIdentity identity;
 
+  /// The color of the text to be displayed if photo is not available.
+  ///
+  /// If a foreground color is not specified, the theme's text color is used.
+  final Color foregroundColor;
+
   /// The color with which to fill the circle. Changing the background color
   /// will cause the avatar to animate to the new color.
   ///
@@ -57,6 +63,7 @@
   Widget build(BuildContext context) {
     return new CircleAvatar(
       backgroundColor: backgroundColor,
+      foregroundColor: foregroundColor,
       child: new LayoutBuilder(builder: _buildClippedImage),
     );
   }
diff --git a/packages/google_sign_in/pubspec.yaml b/packages/google_sign_in/pubspec.yaml
index 24c6a45..4208550 100755
--- a/packages/google_sign_in/pubspec.yaml
+++ b/packages/google_sign_in/pubspec.yaml
@@ -3,7 +3,7 @@
 description: Google Sign-In plugin for Flutter.
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/google_sign_in
-version: 1.0.1
+version: 1.0.2
 
 flutter:
   plugin: