Update test to not check for android jar on S

Bug: 181356260
Change-Id: Ib642231b7d27da117982269f6cc7caa3980dfb95
diff --git a/src/test/java/com/android/tools/r8/ToolHelper.java b/src/test/java/com/android/tools/r8/ToolHelper.java
index 16d7ddf..7721c08 100644
--- a/src/test/java/com/android/tools/r8/ToolHelper.java
+++ b/src/test/java/com/android/tools/r8/ToolHelper.java
@@ -817,6 +817,8 @@
       case J_MR1:
       case J_MR2:
       case K_WATCH:
+        // TODO(b/1813562600): Add android jar for S.
+      case S:
         return false;
       default:
         return true;