frameworks/media: Fix aliasing violations

Change-Id: I0c3ad4d935abe6cf6df222f7d70381d868f15fe8
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
av: Fix aliasing violations in AudioFlinger

Change-Id: Iec37ad0c2e30f34d72f8bf63c6c1aeceba0e3d50
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
downmix: Fix aliasing violation

Change-Id: I1907da54e9ec40c9afe56c488a974d5286b787e4
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>