[TeX] Introduced Telemetry Express Logging APIs

- provided C++ Counter metric logging API with UID

Bug: 262791247
Test: m
Change-Id: I438bccc9e096ce3c0d7f6cdcb70e787b6ef44983
diff --git a/libstats/expresslog/Counter.cpp b/libstats/expresslog/Counter.cpp
index bee1303..9382041 100644
--- a/libstats/expresslog/Counter.cpp
+++ b/libstats/expresslog/Counter.cpp
@@ -28,5 +28,10 @@
     stats_write(EXPRESS_EVENT_REPORTED, metricIdHash, amount);
 }
 
+void Counter::logIncrementWithUid(const char* metricName, int32_t uid, int64_t amount) {
+    const int64_t metricIdHash = farmhash::Fingerprint64(metricName, strlen(metricName));
+    stats_write(EXPRESS_UID_EVENT_REPORTED, metricIdHash, amount, uid);
+}
+
 }  // namespace expresslog
 }  // namespace android