Version 4.0.50

Bug: 245867326
Change-Id: I095e1720e9dd9cee775422f553268f97e84f1e85

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 424d080..474b0f8 100644
--- a/src/main/java/com/android/tools/r8/Version.java
+++ b/src/main/java/com/android/tools/r8/Version.java
@@ -11,7 +11,7 @@
 
   // 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 = "4.0.49";
+  public static final String LABEL = "4.0.50";
 
   private Version() {
   }