ART: Use __ANDROID__ instead of HAVE_ANDROID_OS

Use the proper define.

Change-Id: I71e291ac25f5d5f0187ac9b6ef2d6872f19e6085
diff --git a/runtime/jdwp/jdwp_main.cc b/runtime/jdwp/jdwp_main.cc
index 260abe7..5a9a0f5 100644
--- a/runtime/jdwp/jdwp_main.cc
+++ b/runtime/jdwp/jdwp_main.cc
@@ -248,7 +248,7 @@
     case kJdwpTransportSocket:
       InitSocketTransport(state.get(), options);
       break;
-#ifdef HAVE_ANDROID_OS
+#ifdef __ANDROID__
     case kJdwpTransportAndroidAdb:
       InitAdbTransport(state.get(), options);
       break;