Fix issues reported by checkstyle am: 96027df8a4 am: 08fa0914b5 am: 1bfb0fafc4

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1350183

Change-Id: Id9caa92738407f39ad90b0a1bc948e3532c5106f
tree: 4ef4dc3e409c6e251e95eee911a3f76ee78916e9
  1. staticlibs/