Revert "Build: Move gradle wrapper jar to a dot dir (#30146)"

This reverts commit a324cd41f7a2a507bb3e78dcdcf946117159d11a.

A non default gradle wrapper location causes intellij to fail in
mysterious ways....

build.gradle

@@ -440,18 +440,25 @@ task run(type: Run) {
   impliesSubProjects = true
 }
 
-task wrapper(type: Wrapper) {
-  distributionType = DistributionType.ALL
-  jarFile = file('.gradle-wrapper/gradle-wrapper.jar')
-  doLast {
-    final DistributionLocator locator = new DistributionLocator()
-    final GradleVersion version = GradleVersion.version(gradleVersion)
-    final URI distributionUri = locator.getDistributionFor(version, distributionType.name().toLowerCase(Locale.ENGLISH))
-    final URI sha256Uri = new URI(distributionUri.toString() + ".sha256")
-    final String sha256Sum = new String(sha256Uri.toURL().bytes)
-    final String existingProperties = getPropertiesFile().getText('UTF-8')
-    getPropertiesFile().setText("${existingProperties}distributionSha256Sum=${sha256Sum}\n", 'UTF-8')
+task wrapper(type: Wrapper)
+
+gradle.projectsEvaluated {
+
+  allprojects {
+    tasks.withType(Wrapper) { Wrapper wrapper ->
+      wrapper.distributionType = DistributionType.ALL
+
+      wrapper.doLast {
+        final DistributionLocator locator = new DistributionLocator()
+        final GradleVersion version = GradleVersion.version(wrapper.gradleVersion)
+        final URI distributionUri = locator.getDistributionFor(version, wrapper.distributionType.name().toLowerCase(Locale.ENGLISH))
+        final URI sha256Uri = new URI(distributionUri.toString() + ".sha256")
+        final String sha256Sum = new String(sha256Uri.toURL().bytes)
+        wrapper.getPropertiesFile() << "distributionSha256Sum=${sha256Sum}\n"
+      }
+    }
   }
+
 }
 
 static void assertLinesInFile(final Path path, final List<String> expectedLines) {

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-all.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-all.zip
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
 distributionSha256Sum=203f4537da8b8075e38c036a6d14cb71b1149de5bf0a8f6db32ac2833a1d1294

gradlew

@@ -64,7 +64,7 @@ case "`uname`" in
     ;;
 esac
 
-CLASSPATH=$APP_HOME/.gradle-wrapper/gradle-wrapper.jar
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then