Add dependency on jni_headers

Preparation for removing implicit include paths for jni.h from soong.

Bug: 152482542
Test: m
Change-Id: I0af4a9a2f55df15409d6412802d2180cb6c8646e
diff --git a/Android.bp b/Android.bp
index c3fcdb4..995e60c 100644
--- a/Android.bp
+++ b/Android.bp
@@ -78,6 +78,7 @@
     ],
 
     header_libs: [
+        "jni_headers",
         "libopenjdkjvmti_headers",
     ],
 }