Opengl: fix a type for GraphicsEnvironment

Bug: 140609421
Test: build, flash and boot
Change-Id: I62a5d4a2b25f2aace821f7f2cd9bf54f5894ef17
diff --git a/opengl/libs/EGL/egl_layers.cpp b/opengl/libs/EGL/egl_layers.cpp
index ac01dc8..f8d97ac 100644
--- a/opengl/libs/EGL/egl_layers.cpp
+++ b/opengl/libs/EGL/egl_layers.cpp
@@ -151,7 +151,7 @@
 const char kSystemLayerLibraryDir[] = "/data/local/debug/gles";
 
 std::string LayerLoader::GetDebugLayers() {
-    // Layers can be specified at the Java level in GraphicsEnvironemnt
+    // Layers can be specified at the Java level in GraphicsEnvironment
     // gpu_debug_layers_gles = layer1:layer2:layerN
     std::string debug_layers = android::GraphicsEnv::getInstance().getDebugLayersGLES();