Make ninja compiler output colorized (under clang)
Make ninja compiler output colorized (under clang)

By default clang turns off color output under ninja since ninja
buffers the output of commands to files to prevent intervening.

This forces color output on.

See https://github.com/ninja-build/ninja/wiki/FAQ and the equivalent line
in Chromium
https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?type=cs&q=fcolor-diagnostics&sq=package:chromium&l=422

Change-Id: Idb3c11a536e415364c5e7d48f57abf645c040423

google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto