Disable clang assembler, to fix asm code later.

external/v8/src/base/atomicops_internals_arm64_gcc.h:77:49: error:
expected compatible register, symbol or integer in range [0, 4095]
    "ldxr %w[result], %[ptr]                  \n\t"  // Load the previous value.

BUG: 18789533
Change-Id: I19e0a7626fa798687d6b6c46d43fdd8674aa0f38
1 file changed