ANDROID: vendor_hooks: Add vendor hook for mmput

Previously, the android_vh_mmput parameter was passed as NULL, and obtaining mm through current was inaccurate.
Add a new vendor hook to support passing in and out mm_struct.

Bug: 417330873
Bug: 417578367

Change-Id: I0548e1f2f1088239303bce5d7d1dc0a9a939fdb5
Signed-off-by: jianhua hao <haojianhua1@xiaomi.com>
(cherry picked from commit 380bf96c)