Sanitize Bluetooth device names without regex

Saves a considerable amount of RAM.

Fixes: 145623858
Test: Pair with a simulated device with whitespace in the name
Change-Id: I1c8b00922534ee5941be6b14948c0941c5640862

core/java/android/bluetooth/BluetoothDevice.java

@@ -1025,7 +1025,11 @@ public final class BluetoothDevice implements Parcelable {
         try {
             String name = service.getRemoteName(this);
             if (name != null) {
-                return name.replaceAll("[\\t\\n\\r]+", " ");
+                // remove whitespace characters from the name
+                return name
+                        .replace('\t', ' ')
+                        .replace('\n', ' ')
+                        .replace('\r', ' ');
             }
             return null;
         } catch (RemoteException e) {