Remove llndk_headers module

Use a cc_library_headers module with llndk.llndk_headers: true instead
of an llndk_headers module.

Bug: 170784825
Test: m checkbuild
Test: compare out/soong/build.ninja
Change-Id: I6717ab613adde20652f6e861ca7179e202e63a83
diff --git a/opengl/libs/Android.bp b/opengl/libs/Android.bp
index 6d59ac0..daaaf88 100644
--- a/opengl/libs/Android.bp
+++ b/opengl/libs/Android.bp
@@ -144,7 +144,7 @@
     defaults: ["egl_libs_defaults"],
     llndk: {
         symbol_file: "libEGL.map.txt",
-        export_llndk_headers: ["gl_llndk_headers"],
+        export_llndk_headers: ["gl_headers"],
         // Don't export EGL/include from the LLNDK variant.
         override_export_include_dirs: [],
     },
@@ -215,7 +215,7 @@
     defaults: ["gles_libs_defaults"],
     llndk: {
         symbol_file: "libGLESv1_CM.map.txt",
-        export_llndk_headers: ["gl_llndk_headers"],
+        export_llndk_headers: ["gl_headers"],
         // Don't export EGL/include from the LLNDK variant.
         override_export_include_dirs: [],
     },
@@ -232,7 +232,7 @@
     defaults: ["gles_libs_defaults"],
     llndk: {
         symbol_file: "libGLESv2.map.txt",
-        export_llndk_headers: ["gl_llndk_headers"],
+        export_llndk_headers: ["gl_headers"],
         // Don't export EGL/include from the LLNDK variant.
         override_export_include_dirs: [],
     },
@@ -252,7 +252,7 @@
     defaults: ["gles_libs_defaults"],
     llndk: {
         symbol_file: "libGLESv3.map.txt",
-        export_llndk_headers: ["gl_llndk_headers"],
+        export_llndk_headers: ["gl_headers"],
         // Don't export EGL/include from the LLNDK variant.
         override_export_include_dirs: [],
     },