sqlite3_android.cpp: disable _TOKENIZE

Comment out the tokenize function. This code doesn't appear to be used.
A future change will further clean up this code and delete it properly.

Bug: 139186193
Test: compiles and boots

(cherry picked from commit c52a1735)

Change-Id: I5193c6fe95cbe6456d758eb44a7d8c53f5e2832d