Pin tradefed dependencies to Java 11

Bug: 267831518
Test: TH
Change-Id: If49e372ef06e751c01cb04647ff0dd74797bfbd5
diff --git a/Android.bp b/Android.bp
index 6e9d86a..f4d0a1d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -40,4 +40,7 @@
     sdk_version: "current",
     // TODO(b/237039251) use "apex_inherit" when Java modules support it
     min_sdk_version: "29",
+    // b/267831518: Pin tradefed and dependencies to Java 11.
+    java_version: "11",
+
 }