[share] plugin: Update gradle version of example for Android (#2555)

Fixes [TAG] Warnings and errors caused as generated on Android Studio build terminal while buidling.
diff --git a/packages/share/CHANGELOG.md b/packages/share/CHANGELOG.md
index 9bd0dec..7308189 100644
--- a/packages/share/CHANGELOG.md
+++ b/packages/share/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.6.3+7
+
+* Updated gradle version of example.
+
 ## 0.6.3+6
 
 * Make the pedantic dev_dependency explicit.
diff --git a/packages/share/example/android/gradle/wrapper/gradle-wrapper.properties b/packages/share/example/android/gradle/wrapper/gradle-wrapper.properties
index 019065d..d757f3d 100644
--- a/packages/share/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/packages/share/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
diff --git a/packages/share/pubspec.yaml b/packages/share/pubspec.yaml
index dc5f95a..f7830a8 100644
--- a/packages/share/pubspec.yaml
+++ b/packages/share/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Flutter plugin for sharing content via the platform share UI, using
   the ACTION_SEND intent on Android and UIActivityViewController on iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/share
-version: 0.6.3+6
+version: 0.6.3+7
 
 flutter:
   plugin: