Revert "ANDROID: Add vendor hooks for binder perf tuning"

This reverts commit 17fff41d.

The alloc->mutex to spinlock_t patches from [1] are being backported
into this branch. The vendor hooks will be reapplied on top of these
backports in a way that matches the new structure of the code.

Link: https://lore.kernel.org/all/20231201172212.1813387-1-cmllamas@google.com/

 [1]
Change-Id: Ic1acdd3401f985614d2d7383bdaabd6d71bb0c44
Signed-off-by: Carlos Llamas <cmllamas@google.com>