Update bundled sqlite to 3.20.1

[ChangeLog][Third-Party Code] Sqlite was updated to version 3.20.1

Change-Id: I538a4de9b915fd1655479e44aa7ca8bae7b9a0b3
Reviewed-by: Andy Shaw <andy.shaw@qt.io>

src/3rdparty/sqlite/patches/0001-Fix-CVE-2017-10989-in-sqlite.patch

@@ -1,15 +0,0 @@
-diff --git a/src/3rdparty/sqlite/sqlite3.c b/src/3rdparty/sqlite/sqlite3.c
-index 7f5e75921f..f5c6180a03 100644
---- a/src/3rdparty/sqlite/sqlite3.c
-+++ b/src/3rdparty/sqlite/sqlite3.c
-@@ -165733,6 +165733,10 @@ static int getNodeSize(
-     rc = getIntFromStmt(db, zSql, &pRtree->iNodeSize);
-     if( rc!=SQLITE_OK ){
-       *pzErr = sqlite3_mprintf("%s", sqlite3_errmsg(db));
-+    }else if( pRtree->iNodeSize<(512-64) ){
-+      rc = SQLITE_CORRUPT;
-+      *pzErr = sqlite3_mprintf("undersize RTree blobs in \"%q_node\"",
-+                               pRtree->zName);
-     }
-   }
-

src/3rdparty/sqlite/qt_attribution.json

@@ -6,7 +6,7 @@
 
     "Description": "SQLite is a small C library that implements a self-contained, embeddable, zero-configuration SQL database engine.",
     "Homepage": "http://www.sqlite.org/",
-    "Version": "3.16.2",
+    "Version": "3.20.1",
     "License": "Public Domain",
     "Copyright": "The authors disclaim copyright to the source code. However, a license can be obtained if needed."
 }