perf: Port to Android

Make perf build with Android - handle detection and
Bionic oddities

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

Conflicts:

	tools/perf/Makefile

Change-Id: Ice8a474fa91c7fe39a0af5c882fdee772797178a
10 files changed