Version 8.6.6-dev

Change-Id: I0ecd7980c553858ee9bc5a3145a356ee929b9dd8

src/main/java/com/android/tools/r8/Version.java

diff --git a/src/main/java/com/android/tools/r8/Version.java b/src/main/java/com/android/tools/r8/Version.java
index afad2e8..3aba3bd 100644
--- a/src/main/java/com/android/tools/r8/Version.java
+++ b/src/main/java/com/android/tools/r8/Version.java
@@ -13,7 +13,7 @@
 
   // This field is accessed from release scripts using simple pattern matching.
   // Therefore, changing this field could break our release scripts.
-  public static final String LABEL = "8.6.5-dev";
+  public static final String LABEL = "8.6.6-dev";
 
   private Version() {
   }