Allow to explicitly compile the core build configuration

Also add some missing copyright notices

Change-Id: I86873ad58f3dadbec8be741982bed548cb7e3c8e

target/product/AndroidProducts.mk

@@ -26,6 +26,7 @@
 #
 
 PRODUCT_MAKEFILES := \
+    $(LOCAL_DIR)/core.mk \
     $(LOCAL_DIR)/generic.mk \
     $(LOCAL_DIR)/sdk.mk \
     $(LOCAL_DIR)/sim.mk

target/product/core.mk

@@ -1,7 +1,25 @@
-PRODUCT_BRAND :=
-PRODUCT_NAME :=
-PRODUCT_DEVICE :=
+#
+# Copyright (C) 2007 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.
+#
+
+PRODUCT_BRAND := generic
+PRODUCT_DEVICE := generic
+PRODUCT_NAME := core
+
 PRODUCT_POLICY := android.policy_phone
+
 PRODUCT_PROPERTY_OVERRIDES := \
     ro.config.notification_sound=OnTheHunt.ogg \
     ro.config.alarm_alert=Alarm_Classic.ogg

target/product/generic.mk

@@ -1,3 +1,19 @@
+#
+# Copyright (C) 2007 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.
+#
+
 # This is a generic product that isn't specialized for a specific device.
 # It includes the base Android platform.
 

target/product/sdk.mk

@@ -1,3 +1,19 @@
+#
+# Copyright (C) 2007 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.
+#
+
 PRODUCT_PROPERTY_OVERRIDES :=
 
 PRODUCT_PACKAGES := \