Reduce logging.

Remember, the system and main logs are
    - Shared resources
    - Primarily for recording problems
    - To be used only for large grained events during normal operation

Bug: 3104855
Change-Id: I136fbd101917dcbc8ebc3f96f276426b48bde7b7
diff --git a/services/java/com/android/server/PackageManagerService.java b/services/java/com/android/server/PackageManagerService.java
index c7735d9..d324c2b 100644
--- a/services/java/com/android/server/PackageManagerService.java
+++ b/services/java/com/android/server/PackageManagerService.java
@@ -2500,7 +2500,9 @@
             return;
         }
 
-        Log.d(TAG, "Scanning app dir " + dir);
+        if (false) {
+            Log.d(TAG, "Scanning app dir " + dir);
+        }
 
         int i;
         for (i=0; i<files.length; i++) {
@@ -2866,10 +2868,8 @@
                 TAG, "Scanning package " + pkg.packageName);
         if (mPackages.containsKey(pkg.packageName)
                 || mSharedLibraries.containsKey(pkg.packageName)) {
-            Slog.w(TAG, "*************************************************");
             Slog.w(TAG, "Application package " + pkg.packageName
                     + " already installed.  Skipping duplicate.");
-            Slog.w(TAG, "*************************************************");
             mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
             return null;
         }