Allow --nooptimize as well as --no-optimize in CompatDexBuilder.

R=sgjesse@google.com

Change-Id: Ideb23e80b51893d15feeb5d588d3d1c9c2ff72c1
diff --git a/src/main/java/com/android/tools/r8/compatdexbuilder/CompatDexBuilder.java b/src/main/java/com/android/tools/r8/compatdexbuilder/CompatDexBuilder.java
index 356451a..407147b 100644
--- a/src/main/java/com/android/tools/r8/compatdexbuilder/CompatDexBuilder.java
+++ b/src/main/java/com/android/tools/r8/compatdexbuilder/CompatDexBuilder.java
@@ -69,6 +69,7 @@
         case "--no-verify-dex-file":
         case "--show_flags":
         case "--no-optimize":
+        case "--nooptimize":
         case "--help":
           // Ignore
           break;