Revert "Update to Gradle 3.2."

Because the branch is master we cannot have different
version used in different branches (studio-master-dev
vs studio-feature-*) which is a problem!

This reverts commit cde199d0c8e5b0c6ad3e561d3f367aa74aa5c1f4.

Change-Id: I927a040ce2b2692b74bcb2d8ac4c0a359b7f9cf7
diff --git a/BUILD b/BUILD
index 0007a33..e6bb295 100644
--- a/BUILD
+++ b/BUILD
@@ -1,13 +1,13 @@
 filegroup(
     name = "gradle",
-    srcs = ["gradle-3.2-bin.zip"],
+    srcs = ["gradle-2.14.1-bin.zip"],
     visibility = ["//visibility:public"],
 )
 
 # gradle-api jar, as generated by gradle when using the gradleApi() magic dependency.
 java_import(
     name = "gradle-api.jar",
-    jars = ["gradle-api-3.2.jar"],
+    jars = ["gradle-api-2.14.1.jar"],
     visibility = ["//visibility:public"],
 )
 
diff --git a/PREBUILT b/PREBUILT
index 000c68d..7c45223 100644
--- a/PREBUILT
+++ b/PREBUILT
@@ -15,4 +15,4 @@
 https://services.gradle.org/distributions/gradle-2.14-bin.zip
 https://services.gradle.org/distributions/gradle-2.14.1-bin.zip
 https://services.gradle.org/distributions/gradle-3.0-all.zip
-https://services.gradle.org/distributions/gradle-3.2-bin.zip
+https://services.gradle.org/distributions/gradle-3.1-bin.zip
diff --git a/gradle-3.1-bin.zip b/gradle-3.1-bin.zip
new file mode 100644
index 0000000..f4b73af
--- /dev/null
+++ b/gradle-3.1-bin.zip
Binary files differ
diff --git a/gradle-3.2-bin.zip b/gradle-3.2-bin.zip
deleted file mode 100644
index 0ffb0cb..0000000
--- a/gradle-3.2-bin.zip
+++ /dev/null
Binary files differ
diff --git a/gradle-api-2.14.1.jar b/gradle-api-2.14.1.jar
new file mode 100644
index 0000000..a365aa4
--- /dev/null
+++ b/gradle-api-2.14.1.jar
Binary files differ
diff --git a/gradle-api-3.2.jar b/gradle-api-3.2.jar
deleted file mode 100644
index 89d4361..0000000
--- a/gradle-api-3.2.jar
+++ /dev/null
Binary files differ