Fix warnings from static analysis tool. am: fc06f65914 am: ecfb24c6f4 am: 24df5f446c am: e8bba2c3cb am: a4b5490ae8

Original change: https://android-review.googlesource.com/c/platform/packages/apps/SecureElement/+/2532841

Change-Id: I2b3d8e6785fcc3fc7b4e7c2e5bf144d9f13c73f0
Signed-off-by: Automerger Merge Worker <[email protected]>