ANDROID: vh: move the build_perf_domains rvh to sched_is_eas_possible()

Since the commit 8f833c82("sched/topology: Change behaviour of the 'sched_energy_aware' sysctl, based on the platform")
has add more check in the sched_is_eas_possible(), and it add check in the sched_energy_aware_handler,
so it is not enough to put the previous rvh only in the build_perf_domains().

Move it to the sched_is_eas_possible() to allow vendors building its own eas check.

Bug: 414251487
Change-Id: I049ef8faebacd306c69a485e2720e051e1af19f9
Signed-off-by: Xuewen Yan <xuewen.yan@unisoc.com>