Update patch version for release

New version is v0.2.5-dev

Bug:
Change-Id: I2afe69462f604aca31c327b3033abd4379484e6d
diff --git a/src/main/java/com/android/tools/r8/Version.java b/src/main/java/com/android/tools/r8/Version.java
index 4fb891a..0e6c94d 100644
--- a/src/main/java/com/android/tools/r8/Version.java
+++ b/src/main/java/com/android/tools/r8/Version.java
@@ -10,7 +10,7 @@
 
   // 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 = "v0.2.4-dev";
+  public static final String LABEL = "v0.2.5-dev";
 
   private Version() {
   }