Allow adb to pull profile snapshots

The snapshot profile produced with `adb cmd package snapshot-profile`
needs to be readable by the others group so that adb can pull it.

Test: adb shell cmd package snapshot-profile pkg;
      adb pull /data/misc/profman/pkg.prof
Bug: 74081010

Change-Id: Ibef8551704116e0b695f725e95f1671acbb82b5d

services/core/java/com/android/server/pm/PackageManagerShellCommand.java

@@ -78,6 +78,8 @@ import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.os.storage.StorageManager;
+import android.system.ErrnoException;
+import android.system.Os;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.ArraySet;
@@ -1373,7 +1375,9 @@ class PackageManagerShellCommand extends ShellCommand {
             try (OutputStream outStream = new FileOutputStream(outputProfilePath)) {
                 Streams.copy(inStream, outStream);
             }
-        } catch (IOException e) {
+            // Give read permissions to the other group.
+            Os.chmod(outputProfilePath, /*mode*/ 0644 );
+        } catch (IOException | ErrnoException e) {
             pw.println("Error when reading the profile fd: " + e.getMessage());
             e.printStackTrace(pw);
             return -1;