Update a misleading error log.

Bug: 389000592
Bug: 400469383
Test: Presubmit
Flag: EXEMPT bugfix
Change-Id: I0ce33c9e9f7bf4136a1d8aa9219dfce45de157e9
diff --git a/sensors/common/default/2.X/multihal/HalProxy.cpp b/sensors/common/default/2.X/multihal/HalProxy.cpp
index 305383e..c058122 100644
--- a/sensors/common/default/2.X/multihal/HalProxy.cpp
+++ b/sensors/common/default/2.X/multihal/HalProxy.cpp
@@ -587,7 +587,8 @@
                         static_cast<uint32_t>(EventQueueFlagBits::EVENTS_READ),
                         static_cast<uint32_t>(EventQueueFlagBits::READ_AND_PROCESS),
                         kPendingWriteTimeoutNs, mEventQueueFlag)) {
-                ALOGE("Dropping %zu events after blockingWrite failed.", numToWrite);
+                ALOGE("Dropping %zu events after blockingWrite failed (is system_server running?).",
+                      numToWrite);
                 if (numWakeupEvents > 0) {
                     if (pendingWriteEvents.size() > eventQueueSize) {
                         decrementRefCountAndMaybeReleaseWakelock(