AAudioEndpointManager: fix log level

Fix log level for MMAP endpoint opening success.

Bug: 36785118
Change-Id: I503ff52fd76880d2eb79cf094bef9cf5a3011e24
Test: check logcat
diff --git a/services/oboeservice/AAudioEndpointManager.cpp b/services/oboeservice/AAudioEndpointManager.cpp
index f996f74..5518453 100644
--- a/services/oboeservice/AAudioEndpointManager.cpp
+++ b/services/oboeservice/AAudioEndpointManager.cpp
@@ -151,7 +151,7 @@
         return nullptr;
     } else {
         sp<AAudioServiceEndpointMMAP> endpointMMap = new AAudioServiceEndpointMMAP();
-        ALOGE("AAudioEndpointManager.openEndpoint(),created MMAP %p", endpointMMap.get());
+        ALOGD("AAudioEndpointManager.openEndpoint(), created MMAP %p", endpointMMap.get());
         endpoint = endpointMMap;
 
         aaudio_result_t result = endpoint->open(request);