Only log when actually receiving actual switch events.

Also, turn off debug logging in a couple other classes and fix an
incorrect format specifier.

Bug: 25497538
Change-Id: I72af9492415fa6910af90caf03a7884c6cb1a0b1
diff --git a/modules/input/evdev/EvdevModule.cpp b/modules/input/evdev/EvdevModule.cpp
index 93ccd35..b37eba1 100644
--- a/modules/input/evdev/EvdevModule.cpp
+++ b/modules/input/evdev/EvdevModule.cpp
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#define LOG_NDEBUG 0
 #define LOG_TAG "EvdevModule"
+//#define LOG_NDEBUG 0
 
 #include <memory>
 #include <string>