Version 9.3.0-dev

Change-Id: I8f0e924a2f94e48a787f79f75419889864b0dec4

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 1cdbc83..1186bf4 100644
--- a/src/main/java/com/android/tools/r8/Version.java
+++ b/src/main/java/com/android/tools/r8/Version.java
@@ -15,7 +15,7 @@
 
   // 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 = "9.3.0-dev";
 
   private Version() {
   }