Make dalvikvm inherit art_defaults.

To be able to do changes in art_defaults to affect all native code in
the ART module.

Also clean up some settings now inherited from there.

Test: Presubmits
Bug: 172480615
Change-Id: I81e6a959248eeec6381f32a927d0dbaa47b202ad
diff --git a/dalvikvm/Android.bp b/dalvikvm/Android.bp
index 1b2ac9d..5c0e574 100644
--- a/dalvikvm/Android.bp
+++ b/dalvikvm/Android.bp
@@ -25,15 +25,11 @@
 
 art_cc_binary {
     name: "dalvikvm",
+    defaults: ["art_defaults"],
     host_supported: true,
     compile_multilib: "both",
 
     srcs: ["dalvikvm.cc"],
-    cflags: [
-        "-Wall",
-        "-Werror",
-        "-Wextra",
-    ],
     shared_libs: [
         "libnativehelper",
     ],
@@ -52,9 +48,6 @@
             // really be in shared_libs.
             whole_static_libs: ["libsigchain"],
         },
-        darwin: {
-            enabled: false,
-        },
     },
 
     multilib: {
@@ -72,5 +65,4 @@
         "com.android.art",
         "com.android.art.debug",
     ],
-    min_sdk_version: "S",
 }