Fix StatsLog JNI registration

Re-add StatsLog JNI regsitration in AndroidRuntime.cpp.
This will have to be revisited once StatsLog is moved into statsd apex.

Test: m
Test: fastboot flashall
Test: adb logcat "*:E"
Change-Id: I233a527d00d524cbc2edaed7c2be76ea1c212b29

native/android/Android.bp

@@ -64,7 +64,6 @@ cc_library_shared {
         "libgui",
         "libharfbuzz_ng",  // Only for including hb.h via minikin
         "libsensor",
-        "libstats_jni",
         "libandroid_runtime",
         "libminikin",
         "libnetd_client",