libgraphicsenv: minor refactor on a namespace creation flag

Test: build, flash and boot
Change-Id: I46fa4662a5a5e7ec13bd019c2d6533ba1923efb5
diff --git a/libs/graphicsenv/GraphicsEnv.cpp b/libs/graphicsenv/GraphicsEnv.cpp
index e49fb08..cfc7e98 100644
--- a/libs/graphicsenv/GraphicsEnv.cpp
+++ b/libs/graphicsenv/GraphicsEnv.cpp
@@ -623,8 +623,7 @@
     mAngleNamespace = android_create_namespace("ANGLE",
                                                nullptr,            // ld_library_path
                                                mAnglePath.c_str(), // default_library_path
-                                               ANDROID_NAMESPACE_TYPE_SHARED |
-                                                       ANDROID_NAMESPACE_TYPE_ISOLATED,
+                                               ANDROID_NAMESPACE_TYPE_SHARED_ISOLATED,
                                                nullptr, // permitted_when_isolated_path
                                                nullptr);