Include ramdisk image variant of jni_headers in sdk

Bug: 195754365
Test: m art-module-sdk
Change-Id: I024bff21309f006ea894aa809c2e03b31b4bc864
diff --git a/build/sdk/Android.bp b/build/sdk/Android.bp
index 509ef9a..a777c6b 100644
--- a/build/sdk/Android.bp
+++ b/build/sdk/Android.bp
@@ -57,6 +57,9 @@
         native_bridge_support: [
             "jni_headers",
         ],
+        ramdisk_image_required: [
+            "jni_headers",
+        ],
         recovery_image_required: [
             "jni_headers",
         ],