Add reset to InputClassifier HAL

The reset will be used to prevent an inconsistent stream of
events to be sent to the HAL.

Bug: 111480215
Test: make only
Change-Id: I40c7d671f094065e3fcaff0d83e826c580dcae7a
diff --git a/input/classifier/1.0/default/InputClassifier.cpp b/input/classifier/1.0/default/InputClassifier.cpp
index 7005e9d..a78bbc5 100644
--- a/input/classifier/1.0/default/InputClassifier.cpp
+++ b/input/classifier/1.0/default/InputClassifier.cpp
@@ -57,6 +57,18 @@
     return Classification::NONE;
 }
 
+Return<void> InputClassifier::reset() {
+    // We don't have any internal state in this example implementation,
+    // so no work needed here.
+    return Void();
+}
+
+Return<void> InputClassifier::resetDevice(int32_t /*deviceId*/) {
+    // We don't have any internal per-device state in this example implementation,
+    // so no work needed here.
+    return Void();
+}
+
 }  // namespace implementation
 }  // namespace V1_0
 }  // namespace classifier