sanitizers: build tests with -g

We currently build tests without -g, which is quite inconvenient.
Crash stacks don't have line numbers, gdb don't how line numbers either.
Always build tests with -g.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D107168

GitOrigin-RevId: 3ea3b6b2d411e1507a5a81d29d2ae5de11555202
1 file changed