Increase sensor registration log size

This is for aiding debugging of b/29625330. The size is increased
so that we have a better chance to know what happened before the
failure happens.

Bug: 29625330
Change-Id: I8b741cb5981d8e91b9ef53a00e65c0bbe34ed55e
diff --git a/services/sensorservice/SensorService.h b/services/sensorservice/SensorService.h
index c8de621..68d4154 100644
--- a/services/sensorservice/SensorService.h
+++ b/services/sensorservice/SensorService.h
@@ -53,7 +53,7 @@
 // For older HALs which don't support batching, use a smaller socket buffer size.
 #define SOCKET_BUFFER_SIZE_NON_BATCHED 4 * 1024
 
-#define SENSOR_REGISTRATIONS_BUF_SIZE 20
+#define SENSOR_REGISTRATIONS_BUF_SIZE 200
 
 namespace android {
 // ---------------------------------------------------------------------------