Add SensorManager support in inputflinger.

Add sensor device, sensor input mapper, sens event dispatcher support
into inputflinger.

Bug: 161634265
Test: atest inputflinger_tests

Change-Id: I2dcb2c35d9dccefc4cd8d939b79cf340931a9410
diff --git a/services/inputflinger/reader/mapper/InputMapper.cpp b/services/inputflinger/reader/mapper/InputMapper.cpp
index 913cef7..1ce54ae 100644
--- a/services/inputflinger/reader/mapper/InputMapper.cpp
+++ b/services/inputflinger/reader/mapper/InputMapper.cpp
@@ -70,6 +70,16 @@
 
 void InputMapper::cancelTouch(nsecs_t when) {}
 
+bool InputMapper::enableSensor(InputDeviceSensorType sensorType,
+                               std::chrono::microseconds samplingPeriod,
+                               std::chrono::microseconds maxBatchReportLatency) {
+    return true;
+}
+
+void InputMapper::disableSensor(InputDeviceSensorType sensorType) {}
+
+void InputMapper::flushSensor(InputDeviceSensorType sensorType) {}
+
 int32_t InputMapper::getMetaState() {
     return 0;
 }