Rename "test" ozone platform to "headless"

ui/ozone/platform/headless/headless.gypi

Index: ui/ozone/platform/headless/headless.gypi
diff --git a/ui/ozone/platform/test/test.gypi b/ui/ozone/platform/headless/headless.gypi
similarity index 60%
rename from ui/ozone/platform/test/test.gypi
rename to ui/ozone/platform/headless/headless.gypi
index 6b2794b53d65e6543aa68160a697c3b18af5c100..65de1fa12a50b04f99c048fa6b3a3e1a67b5c3d3 100644
--- a/ui/ozone/platform/test/test.gypi
+++ b/ui/ozone/platform/headless/headless.gypi
@@ -5,15 +5,15 @@
 {
   'variables': {
     'internal_ozone_platform_deps': [
-      'ozone_platform_test',
+      'ozone_platform_headless',
     ],
     'internal_ozone_platforms': [
-      'test'
+      'headless'
     ],
   },
   'targets': [
     {
-      'target_name': 'ozone_platform_test',
+      'target_name': 'ozone_platform_headless',
       'type': 'static_library',
       'defines': [
         'OZONE_IMPLEMENTATION',
@@ -27,16 +27,16 @@
         '../gfx/gfx.gyp:gfx',
       ],
       'sources': [
-        'client_native_pixmap_factory_test.cc',
-        'client_native_pixmap_factory_test.h',
-        'ozone_platform_test.cc',
-        'ozone_platform_test.h',
-        'test_surface_factory.cc',
-        'test_surface_factory.h',
-        'test_window.cc',
-        'test_window.h',
-        'test_window_manager.cc',
-        'test_window_manager.h',
+        'client_native_pixmap_factory_headless.cc',
+        'client_native_pixmap_factory_headless.h',
+        'ozone_platform_headless.cc',
+        'ozone_platform_headless.h',
+        'headless_surface_factory.cc',
+        'headless_surface_factory.h',
+        'headless_window.cc',
+        'headless_window.h',
+        'headless_window_manager.cc',
+        'headless_window_manager.h',
       ],
     },
   ],