[Bug report] QR code scanner give another null value.

[armjingjai]

Describe the bug
get another null value when scan QR code like this: "|099400039094711\r\n012130166000055001\r\n300620230000000000\r\n7656\u0000\u0000\u0000\u0000\u0000\u0000"

To Reproduce
expected value is "|099400039094711\r\n012130166000055001\r\n300620230000000000\r\n7656"
but actual value is "|099400039094711\r\n012130166000055001\r\n300620230000000000\r\n7656\u0000\u0000\u0000\u0000\u0000\u0000"

1. Scan QR code.
2. See result.

example QR code:

Expected behavior
expected value is "|099400039094711\r\n012130166000055001\r\n300620230000000000\r\n7656"
but actual value is "|099400039094711\r\n012130166000055001\r\n300620230000000000\r\n7656\u0000\u0000\u0000\u0000\u0000\u0000"

SDK Info:

• SDK Name & Version com.google.mlkit:barcode-scanning:17.1.0

Smartphone:

• Device/Simulator: Pixel 4
• Device/Simulator OS: Android API 29

Development Environment:

• IDE Eversion: Android Studio Dolphin | 2021.3.1 Patch 1