sqlite: upgrade to SQLite 3.15.2

Downloaded from https://www.sqlite.org/2016/sqlite-amalgamation-3150200.zip

    $ sha256sum sqlite-amalgamation-3150200.zip
    37e4bffc5568434267617a83671e0b9b39bbcb3732fd75cbcbce250cbd5fd091  sqlite-amalgamation-3150200.zip

dist/orig contains the stock sqlite3 code, as packaged in the ZIP file above.

dist contains a copy of dist/orig, but with the Android.patch file applied.
Please see Android.patch for a list of differences between stock and
Android.

The Android specific patch applied cleanly
and was regenerated.

This minor release contains bug fixes.

More details about the release is avaliable here: https://sqlite.org/releaselog/3_15_2.html



Change-Id: I684208e2b2ab41cf6edd97ed719e9c9db3f7edeb
Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Signed-off-by: Alex Naidis <alex.naidis@linux.com>