Don't use SSE functions on Android. These methods are unavailable on ARM platforms. Also fix a sequencing bug that caused us to incorrectly define the Android platform as Linux. BUG=angle:773 Change-Id: Id2b47acdd5b574c618ac86641a1a8238fbb4a2c3 Reviewed-on: https://chromium-review.googlesource.com/240095 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>