Remove --compileApiLevel parameter from stats-log-api-gen

It's not needed anymore as the stable lib does not compile against
system_30 anymore.

Bug: 326159211
Test: m statslog-networkstack-java-gen-stable
Change-Id: Ic0d9c8ac35cd48f8a5ea010cfa6da095ff162242
diff --git a/Android.bp b/Android.bp
index 9af9da4..1c7380e 100644
--- a/Android.bp
+++ b/Android.bp
@@ -572,7 +572,7 @@
     tools: ["stats-log-api-gen"],
     cmd: "$(location stats-log-api-gen) --java $(out) --module network_stack" +
         " --javaPackage com.android.networkstack.metrics --javaClass NetworkStackStatsLog" +
-        " --minApiLevel 30 --compileApiLevel 30",
+        " --minApiLevel 30",
     out: ["com/android/networkstack/metrics/NetworkStackStatsLog.java"],
 }