Fixing cpplint legal/copyright issues

Change-Id: I9547b53bccb0e67079c5e9c6b26889316739dc64
diff --git a/Android.mk b/Android.mk
index c1561de..e660827 100644
--- a/Android.mk
+++ b/Android.mk
@@ -334,7 +334,7 @@
 .PHONY: cpplint-art
 cpplint-art:
 	./art/tools/cpplint.py \
-	    --filter=-,+build/header_guard,+whitespace/braces,+whitespace/comma,+runtime/explicit,+whitespace/newline,+whitespace/parens,+build/namespaces,+readability/fn_size,+whitespace/operators,+readability/braces,+whitespace/indent,+whitespace/blank_line,+whitespace/end_of_line,+whitespace/labels,+whitespace/semicolon \
+	    --filter=-,+build/header_guard,+whitespace/braces,+whitespace/comma,+runtime/explicit,+whitespace/newline,+whitespace/parens,+build/namespaces,+readability/fn_size,+whitespace/operators,+readability/braces,+whitespace/indent,+whitespace/blank_line,+whitespace/end_of_line,+whitespace/labels,+whitespace/semicolon,+legal/copyright \
 	    $(shell find art -name *.h -o -name *$(ART_CPP_EXTENSION) | grep -v art/compiler/llvm/generated/)
 
 # "mm cpplint-art-aspirational" to see warnings we would like to fix
diff --git a/compiler/sea_ir/frontend.cc b/compiler/sea_ir/frontend.cc
index 9af7eff..7bfc9ba 100644
--- a/compiler/sea_ir/frontend.cc
+++ b/compiler/sea_ir/frontend.cc
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
 #ifdef ART_SEA_IR_MODE
 #include <llvm/Support/Threading.h>
 #include "base/logging.h"
diff --git a/runtime/gc/collector/gc_type.cc b/runtime/gc/collector/gc_type.cc
deleted file mode 100644
index e69de29..0000000
--- a/runtime/gc/collector/gc_type.cc
+++ /dev/null