Migrate to TelephonyStatsLog from StatsLog

As part of statsd becoming a Mainline module in R, autogenerated
StatsLog.write() calls are going away and replaced by *StatsLog.java
that is autogenerated for each module.
This CL adds autogenerated TelephonylStatsLog and replaces usages
of StatsLog with TelephonyStatsLog.

Bug: 145952197
Test: m
Change-Id: I7d926a3f3650240e82bfab2bbc17ff6ce6af52cc
diff --git a/Android.bp b/Android.bp
index b9ddc08..94c399a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -41,6 +41,14 @@
     srcs: ["jarjar-rules-shared.txt"],
 }
 
+genrule {
+    name: "statslog-telephony-java-gen",
+    tools: ["stats-log-api-gen"],
+    cmd: "$(location stats-log-api-gen) --java $(out) --module telephony"
+        + " --javaPackage com.android.internal.telephony --javaClass TelephonyStatsLog",
+    out: ["com/android/internal/telephony/TelephonyStatsLog.java"],
+}
+
 android_app {
     name: "telephony-resources",
     installable: true,
@@ -72,6 +80,7 @@
         ":opt-telephony-common-srcs",
         ":framework-telephony-common-shared-srcs",
         ":net-utils-telephony-common-srcs",
+        ":statslog-telephony-java-gen",
         "src/java/**/I*.aidl",
         "src/java/**/*.logtags",
     ],