title: Gradle sync failed: Base: GRADLE_USER_HOME is unknown
body: <p>I use react native v 0.61.5, Android studio 3.6.3 and macOS Catalina 10.15.4. After update andrid studion, in the android studio has issue:</p>
  
  <p>Exception in thread "main" java.lang.RuntimeException: Base: GRADLE_USER_HOME  is unknown at org.gradle.wrapper.PathAssembler.getBaseDir(PathAssembler.java:97)
  atorg.gradle.wrapper.PathAssembler.getDistribution(PathAssembler.java:43) at org.gradle.wrapper.Install.createDist(Install.java:44)
  at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:107)
  at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:63)</p>
  
  <p>I try to change gradle version and gradle plugin version, delete cache. </p>
  
  <p>Gradle-wrapper.propretise</p>
  
  <pre><code>distributionBase=GRADLE_USER_HOME 
  distributionPath=wrapper/dists
  zipStoreBase=GRADLE_USER_HOME
  zipStorePath=wrapper/dists
  distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip
  </code></pre>