Rename frozen netd AIDL API directories.

Currently, all the netd AIDL interfaces specify an api_dir of
"binder/api". This does not work because the compiler does not
support using the same api_dir for multiple aidl_interface rules.

This affects only netd_event_listener_interface and
dnsresolver_aidl_interface. netd_event_listener_interface is
unaffected because it is not yet frozen.

Test: m
Bug: 133124190
Change-Id: I42ea79194d0d3a1126fd513ed39d73fc236aaca3
diff --git a/server/Android.bp b/server/Android.bp
index d1586a2..79e0a44 100644
--- a/server/Android.bp
+++ b/server/Android.bp
@@ -5,7 +5,7 @@
     srcs: [
         "binder/android/net/metrics/INetdEventListener.aidl",
     ],
-    api_dir: "binder/api",
+    api_dir: "aidl/netdeventlistener",
 }
 
 // These are used in netd_integration_test
@@ -33,7 +33,7 @@
         "binder/android/net/TetherStatsParcel.aidl",
         "binder/android/net/UidRangeParcel.aidl",
     ],
-    api_dir: "binder/api",
+    api_dir: "aidl/netd",
     backend: {
         cpp: {
             gen_log: true,