Rearrange opengl llndk libraries to be next to implementations

As an intermediate step towards removing llndk_library modules in
favor of using llndk properties in the cc_library directly, move the
llndk_library modules next to the cc_library modules so that the
paths in the llndk_library properites are correct when Soong copies
the properties into the cc_library module.

Bug: 170784825
Test: m checkbuild
Change-Id: I41674ad253b009d1cf528dc7b480676fb29edabd
diff --git a/opengl/Android.bp b/opengl/Android.bp
index 393ced7..48abdce 100644
--- a/opengl/Android.bp
+++ b/opengl/Android.bp
@@ -52,36 +52,17 @@
     license: "include/KHR/NOTICE",
 }
 
-llndk_library {
-    name: "libEGL.llndk",
-    symbol_file: "libs/libEGL.map.txt",
-    export_include_dirs: ["include"],
-}
-
-llndk_library {
-    name: "libGLESv1_CM.llndk",
-    symbol_file: "libs/libGLESv1_CM.map.txt",
-    export_include_dirs: ["include"],
-}
-
-llndk_library {
-    name: "libGLESv2.llndk",
-    symbol_file: "libs/libGLESv2.map.txt",
-    export_include_dirs: ["include"],
-}
-
-llndk_library {
-    name: "libGLESv3.llndk",
-    symbol_file: "libs/libGLESv3.map.txt",
-    export_include_dirs: ["include"],
-}
-
 cc_library_headers {
     name: "gl_headers",
     vendor_available: true,
     export_include_dirs: ["include"],
 }
 
+llndk_headers {
+    name: "gl_llndk_headers",
+    export_include_dirs: ["include"],
+}
+
 subdirs = [
     "*",
 ]