Create d8-1.1 branch.

Branching off 1.1.8-dev since that is the last development
build that reached the P platform branch.

First release version of 1.1 is 1.1.11.
diff --git a/src/main/java/com/android/tools/r8/Version.java b/src/main/java/com/android/tools/r8/Version.java
index fed4a00..64c577a 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 = "v1.1.8-dev";
+  public static final String LABEL = "v1.1.11";
 
   private Version() {
   }