MediaMetrics: Make submit one-way

Remove the unused session id to improve speed and clarity.

Test: dumpsys media.metrics sanity, mediametrics_tests
Change-Id: Ide5e9218811e110997fed19f43eb6a5fdc5812ec
diff --git a/drm/drmserver/DrmManager.cpp b/drm/drmserver/DrmManager.cpp
index 66610b3..e2ea83a 100644
--- a/drm/drmserver/DrmManager.cpp
+++ b/drm/drmserver/DrmManager.cpp
@@ -59,7 +59,6 @@
     IDrmEngine& engine = mPlugInManager.getPlugIn(plugInId);
 
     std::unique_ptr<MediaAnalyticsItem> item(MediaAnalyticsItem::create("drmmanager"));
-    item->generateSessionID();
     item->setUid(IPCThreadState::self()->getCallingUid());
     item->setCString("function_name", func);
     item->setCString("plugin_id", plugInId.getPathLeaf().getBasePath().c_str());
diff --git a/drm/libmediadrm/DrmHal.cpp b/drm/libmediadrm/DrmHal.cpp
index 37609eb..4529fe5 100644
--- a/drm/libmediadrm/DrmHal.cpp
+++ b/drm/libmediadrm/DrmHal.cpp
@@ -1574,7 +1574,6 @@
 void DrmHal::reportFrameworkMetrics() const
 {
     std::unique_ptr<MediaAnalyticsItem> item(MediaAnalyticsItem::create("mediadrm"));
-    item->generateSessionID();
     item->setPkgName(mMetrics.GetAppPackageName().c_str());
     String8 vendor;
     String8 description;
diff --git a/drm/libmediadrm/PluginMetricsReporting.cpp b/drm/libmediadrm/PluginMetricsReporting.cpp
index 8cd6f96..098f07b 100644
--- a/drm/libmediadrm/PluginMetricsReporting.cpp
+++ b/drm/libmediadrm/PluginMetricsReporting.cpp
@@ -35,8 +35,6 @@
                              const String8& name,
                              const String8& appPackageName) {
     std::unique_ptr<MediaAnalyticsItem> analyticsItem(MediaAnalyticsItem::create(name.c_str()));
-    analyticsItem->generateSessionID();
-
     std::string app_package_name(appPackageName.c_str(), appPackageName.size());
     analyticsItem->setPkgName(app_package_name);
     if (metrics.size() > 0) {
@@ -44,7 +42,7 @@
     }
 
     if (!analyticsItem->selfrecord()) {
-      ALOGE("selfrecord() returned false. sessioId %" PRId64, analyticsItem->getSessionID());
+      ALOGE("%s: selfrecord() returned false", __func__);
     }
 
     return OK;