Add dependency on jni_headers to opengl tests

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

Bug: 152482542
Test: m checkbuild
Change-Id: I7a6c702f93d37d079861dac1d1adad12a6cc4ccf
diff --git a/opengl/tests/gl_jni/Android.bp b/opengl/tests/gl_jni/Android.bp
index 5bec336..0cb129a 100644
--- a/opengl/tests/gl_jni/Android.bp
+++ b/opengl/tests/gl_jni/Android.bp
@@ -19,6 +19,7 @@
         "-Werror",
         "-Wno-error=unused-parameter",
     ],
+    header_libs: ["jni_headers"],
     srcs: ["jni/gl_code.cpp"],
     shared_libs: [
         "liblog",