ANDROID: mm: create vendor hooks for memory reclaim

we try to adjust page reclaim operations based on the running task
and kernel memory pressure. Thus, we want to create some vendor hooks
into kernel6.1.

Firstly, we add ADNRROID_VENDOR_DATA into the struct scan_control,
special operations would be performed based on this special scan option.
We measure the importance of the current process in the system and
obtain its weight, which is recorded in ANDROID_VENDOR_DATA.

The hook function: trace_android_vh_modify_scan_control is added inside
of the function modify_scan_control() to adjust reclaim operations based
on memory pressure.

The hook function: trace_android_vh_should_continue_reclaim is added inside
of the function shrink_node() to decide if page_reclaim would continue
or not based on memory pressure.

The hook function: trace_android_vh_file_is_tiny_bypass is added into the
function prepare_scan_count() to decide if the file pages should be skipped
in condition to file refualts and memory pressure.

Bug: 347648912
Change-Id: I1efe9d3e866f37b0295c7cd94ec8ca0117a9bd4a
Signed-off-by: Dezhi Huang <huangdezhi@hihonor.com>