Camera: Fix null pointer exception in CameraServiceProxyWrapper

Indexing into the mSessionStatsMap would insert a nullptr.
Check the count for a certain key instead.

In addition, call logStreamConfigured only when the reconfiguration
succeeds.

Test: Vendor test, Camera CTS
Bug: 287120330
Change-Id: I17d715865c9a58d3b79ab0a511a0f4968f0aa3f8
diff --git a/services/camera/libcameraservice/utils/CameraServiceProxyWrapper.cpp b/services/camera/libcameraservice/utils/CameraServiceProxyWrapper.cpp
index 3aff2ac..b58975f 100644
--- a/services/camera/libcameraservice/utils/CameraServiceProxyWrapper.cpp
+++ b/services/camera/libcameraservice/utils/CameraServiceProxyWrapper.cpp
@@ -243,12 +243,12 @@
     std::shared_ptr<CameraSessionStatsWrapper> sessionStats;
     {
         Mutex::Autolock l(mLock);
-        sessionStats = mSessionStatsMap[id];
-        if (sessionStats == nullptr) {
+        if (mSessionStatsMap.count(id) == 0) {
             ALOGE("%s: SessionStatsMap should contain camera %s",
                     __FUNCTION__, id.c_str());
             return;
         }
+        sessionStats = mSessionStatsMap[id];
     }
 
     ALOGV("%s: id %s, operatingMode %d, internalConfig %d, latencyMs %d",
@@ -260,12 +260,12 @@
     std::shared_ptr<CameraSessionStatsWrapper> sessionStats;
     {
         Mutex::Autolock l(mLock);
-        sessionStats = mSessionStatsMap[id];
-        if (sessionStats == nullptr) {
+        if (mSessionStatsMap.count(id) == 0) {
             ALOGE("%s: SessionStatsMap should contain camera %s when logActive is called",
                     __FUNCTION__, id.c_str());
             return;
         }
+        sessionStats = mSessionStatsMap[id];
     }
 
     ALOGV("%s: id %s", __FUNCTION__, id.c_str());
@@ -280,13 +280,12 @@
     std::shared_ptr<CameraSessionStatsWrapper> sessionStats;
     {
         Mutex::Autolock l(mLock);
-        sessionStats = mSessionStatsMap[id];
-    }
-
-    if (sessionStats == nullptr) {
-        ALOGE("%s: SessionStatsMap should contain camera %s when logIdle is called",
+        if (mSessionStatsMap.count(id) == 0) {
+            ALOGE("%s: SessionStatsMap should contain camera %s when logIdle is called",
                 __FUNCTION__, id.c_str());
-        return;
+            return;
+        }
+        sessionStats = mSessionStatsMap[id];
     }
 
     ALOGV("%s: id %s, requestCount %" PRId64 ", resultErrorCount %" PRId64 ", deviceError %d"