Vibrator: Stable AIDL interface.

This is from running:
hidl2aidl android.hardware.vibrator@1.4

and then making several small modifications.

Bug: 141828236
Test: dumpsys on cf
Change-Id: I612e903c1e3f63f0470f8e5c827345c5b67d5645
diff --git a/vibrator/staidl/Android.bp b/vibrator/staidl/Android.bp
new file mode 100644
index 0000000..18468ef
--- /dev/null
+++ b/vibrator/staidl/Android.bp
@@ -0,0 +1,14 @@
+aidl_interface {
+    name: "vintf-vibrator",
+    vendor_available: true,
+    srcs: [
+        "android/hardware/vibrator/*.aidl",
+    ],
+    stability: "vintf",
+    backend: {
+        java: {
+            enabled: false,
+        },
+    },
+}
+