potter: use our own multihal to workaround version check in HIDL HAL

Change-Id: I356c569304b7e6c0351c456019c4b43048edb120

sensors/Android.mk

@@ -0,0 +1,42 @@
+#
+# 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.
+#
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := sensors.$(TARGET_BOARD_PLATFORM)
+
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_PROPRIETARY_MODULE := true
+
+LOCAL_CFLAGS := -DLOG_TAG=\"MultiHal\"
+
+LOCAL_SRC_FILES := \
+    multihal.cpp \
+    SensorEventQueue.cpp \
+
+LOCAL_SHARED_LIBRARIES := \
+    libcutils \
+    libdl \
+    liblog \
+    libutils \
+
+LOCAL_STRIP_MODULE := false
+
+include $(BUILD_SHARED_LIBRARY)
+
+include $(call all-makefiles-under, $(LOCAL_PATH))