How to compile SQLite for Android with SEE support?

I am trying to compile SQLite library for Android with encryption extension enabled.

In the official guide here it says

To use the SQLite Encryption Extension (SEE) on Android, replace the sqlite3.c file at "jni/sqlite/sqlite3.c" with a SEE-enabled version (i.e. the concatenation of sqlite3.c and see.c.

I cannot find the see.c file anywhere in the SQLite source code.

How can I compile with SEE support ? Please advice