Compile health hal with the VNDK.

Test: builds with BOARD_VNDK_VERSION=current
Change-Id: I38ea5afed47026f6068e9aac5de3435ec031f836
diff --git a/health/1.0/default/libhealthd/Android.bp b/health/1.0/default/libhealthd/Android.bp
new file mode 100644
index 0000000..ce02e28
--- /dev/null
+++ b/health/1.0/default/libhealthd/Android.bp
@@ -0,0 +1,10 @@
+// Copyright 2016 The Android Open Source Project
+
+cc_library_static {
+    srcs: ["healthd_board_default.cpp"],
+    name: "libhealthd.default",
+    vendor_available: true,
+    cflags: ["-Werror"],
+    include_dirs: ["system/core/base/include"],
+    header_libs: ["libhealthd_headers"],
+}
diff --git a/health/1.0/default/libhealthd/Android.mk b/health/1.0/default/libhealthd/Android.mk
deleted file mode 100644
index a5f4445..0000000
--- a/health/1.0/default/libhealthd/Android.mk
+++ /dev/null
@@ -1,10 +0,0 @@
-# Copyright 2016 The Android Open Source Project
-
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := healthd_board_default.cpp
-LOCAL_MODULE := libhealthd.default
-LOCAL_CFLAGS := -Werror
-LOCAL_C_INCLUDES := system/core/healthd/include system/core/base/include
-include $(BUILD_STATIC_LIBRARY)