Sensor: Allow inclusion only for Robby sensors

Change-Id: I2f2df89e74917a9ab1cdb8e256954d1e1bdc4a5b
Signed-off-by: Victor Tasayco Loarte <victorx.tasayco.loarte@intel.com>
diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..5d8471d
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,20 @@
+# Copyright (C) 2015 Intel Corp
+#
+# 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:= $(call my-dir)
+
+ifeq ($(BOARD_USES_ROBBY_SENSOR), true)
+include $(call first-makefiles-under,$(LOCAL_PATH))
+endif