Revert "perf: Fix perf_event_read_local() time"

This reverts commit 91b04e83 which is
commit 09f5e7dc upstream

It breaks the kernel abi and is not needed for Android systems, so
revert it.

Bug: 161946584
Fixes: 91b04e83 ("perf: Fix perf_event_read_local() time")
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ic93864b39858bea47cc735e83c294fc4063b9dcd