Use Java-style Array brackets

Convert C-style Array brackets (String args[]) to Java-style brackets (String[] args)

Bug: 63742
Change-Id: I958f22f39017683874ff08383d41df17e813a573
Remove unused imports

Bug: 63742
Change-Id: I8545981605834a73aa2ee3e440a1b14ece2c36b7
Merge "Use Java-style Array brackets"