Update android_make to support both --gcc and --clang options.

This CL also fixes all the errors that resulted from compiling
with clang and ccache.

BUG=skia:4948
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1774503004

Review URL: https://codereview.chromium.org/1774503004
9 files changed