Use test ([) instead of extended test ([[) in if statements

- Using extended test is not portable since some /bin/sh doesn't support it.

[  4% 5228/128453 3h38m43s remaining] //external/javaparser:javaparser javac [linux_glibc common]
/bin/sh: 1: [[: not found

- Use "test" instead

Change-Id: Ic29eb8cd04b8d29b4b8ca8863a826b073c2d2d71