Do not use hidden isPrivilegedApp

Remove usage of isPrivilegedApp as it is used only for logging.

Bug: 140908357
Test: Build
Change-Id: I510e10cd17546ebd4aa59f14a3b10738e37e912d
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 49cc3c4..2f22b49 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -6362,7 +6362,8 @@
     optional bool is_preinstalled = 3;
 
     // True if the package is privileged.
-    optional bool is_priv_app = 4;
+    // Starting from Android 11, this boolean is not set and will always be false.
+    optional bool is_priv_app = 4 [deprecated = true];
 }
 
 /**