Respect USE_CLANG_PLATFORM_BUILD for art builds

Without this patch, ART_TARGET_CLANG is set to false unconditionally.
It should be set to whatever USE_CLANG_PLATFORM_BUILD requests, if the
latter is set.

Change-Id: I29c4397c308a1549c2097aad2c997fe732be27ac
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
1 file changed