Version 8.7.0-dev

Change-Id: I63ae723de3a8ba9c7c5e2c090e021ba58a817bac
diff --git a/src/main/java/com/android/tools/r8/Version.java b/src/main/java/com/android/tools/r8/Version.java
index b725385..5dc4f33 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 = "main";
+  public static final String LABEL = "8.7.0-dev";
 
   private Version() {
   }