telemetry: Symbolize kernel addresses in perf on Android

When creating a perf profile on Android, pull a copy of /proc/kallsyms
and point perf at it so that kernel addresses are properly symbolized.

TEST=tools/perf/record_android_profile.py --browser=android-chrome --profiler=perf
NOTRY=true

Review URL: https://codereview.chromium.org/111463007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241890 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241890