Migrate to TelecomStatsLog 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 TelecomStatsLog and replaces usages
of StatsLog with TelecomStatsLog.

Bug: 145952197
Test: m
Test: atest TelecomUnitTests
Change-Id: Idd9ed343a596336b7c56b705cb521c14a7ff2716
diff --git a/Android.bp b/Android.bp
index 50a41d0..94a6f9d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,8 +1,24 @@
+genrule {
+    name: "statslog-telecom-java-gen",
+    tools: ["stats-log-api-gen"],
+    cmd: "$(location stats-log-api-gen) --java $(out) --module telecom"
+        + " --javaPackage com.android.server.telecom --javaClass TelecomStatsLog",
+    out: ["com/android/server/telecom/TelecomStatsLog.java"],
+}
+
+filegroup {
+    name: "Telecom-srcs",
+    srcs: [
+        "src/**/*.java",
+        ":statslog-telecom-java-gen",
+    ],
+}
+
 // Build the Telecom service.
 android_app {
     name: "Telecom",
     srcs: [
-        "src/**/*.java",
+        ":Telecom-srcs",
         "proto/**/*.proto",
     ],
     resource_dirs: ["res"],
@@ -36,7 +52,7 @@
     ],
     srcs: [
         "tests/src/**/*.java",
-        "src/**/*.java",
+        ":Telecom-srcs",
         "proto/**/*.proto",
     ],
     proto: {