Begin development on version 4.3.2

Change-Id: I0301ec0a8dae69de3d7182b6bf33e02b4a9b504c

Author: samtstern

buildSrc/src/main/kotlin/Config.kt

@@ -1,5 +1,5 @@
 object Config {
-    const val version = "4.3.1"
+    const val version = "4.3.2-SNAPSHOT"
     val submodules = listOf("auth", "auth-github", "common", "firestore", "database", "storage")
 
     private const val kotlinVersion = "1.2.61"