vulkan: add copyright notices

Change-Id: I62ec6d02a052c9e9cee9753057d55c165dfc9713
(cherry picked from commit b7f416a9cc3d136ffe4a60b5f6fb2dc8b92a623b)
diff --git a/vulkan/libvulkan/Android.mk b/vulkan/libvulkan/Android.mk
index c26b01f..3ba7ecd 100644
--- a/vulkan/libvulkan/Android.mk
+++ b/vulkan/libvulkan/Android.mk
@@ -1,3 +1,17 @@
+# Copyright 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
diff --git a/vulkan/libvulkan/entry.cpp.tmpl b/vulkan/libvulkan/entry.cpp.tmpl
index 3eabe2e..352ac59 100644
--- a/vulkan/libvulkan/entry.cpp.tmpl
+++ b/vulkan/libvulkan/entry.cpp.tmpl
@@ -1,3 +1,19 @@
+{{/*
+ * Copyright 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */}}
+
 {{Include "../api/templates/vulkan_common.tmpl"}}
 {{Macro "DefineGlobals" $}}
 {{$ | Macro "entry.cpp" | Reflow 4 | Write "entry.cpp"}}
diff --git a/vulkan/libvulkan/get_proc_addr.cpp.tmpl b/vulkan/libvulkan/get_proc_addr.cpp.tmpl
index d4ced56..c3391e1 100644
--- a/vulkan/libvulkan/get_proc_addr.cpp.tmpl
+++ b/vulkan/libvulkan/get_proc_addr.cpp.tmpl
@@ -1,3 +1,19 @@
+{{/*
+ * Copyright 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */}}
+
 {{Include "../api/templates/vulkan_common.tmpl"}}
 {{Global "clang-format" (Strings "clang-format" "-style=file")}}
 {{Macro "DefineGlobals" $}}
diff --git a/vulkan/libvulkan/loader.cpp b/vulkan/libvulkan/loader.cpp
index 19ca9f2..41425e9 100644
--- a/vulkan/libvulkan/loader.cpp
+++ b/vulkan/libvulkan/loader.cpp
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // module header
 #include "loader.h"
 // standard C headers
diff --git a/vulkan/libvulkan/loader.h b/vulkan/libvulkan/loader.h
index fad92a7..f3a59fd 100644
--- a/vulkan/libvulkan/loader.h
+++ b/vulkan/libvulkan/loader.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LIBVULKAN_LOADER_H
 #define LIBVULKAN_LOADER_H 1