Limit memory usage for sqlite3 fuzzer + move it to sqlite dir.

third_party/sqlite/fuzz/sqlite3_prepare_v2_fuzzer.cc

Index: third_party/sqlite/fuzz/sqlite3_prepare_v2_fuzzer.cc
diff --git a/testing/libfuzzer/fuzzers/sqlite3_prepare_v2_fuzzer.cc b/third_party/sqlite/fuzz/sqlite3_prepare_v2_fuzzer.cc
similarity index 99%
rename from testing/libfuzzer/fuzzers/sqlite3_prepare_v2_fuzzer.cc
rename to third_party/sqlite/fuzz/sqlite3_prepare_v2_fuzzer.cc
index 8f7d90a643e56d0b5cc879faef1b39e68361f9b1..27524e1331adcc807b8ff221a73226c9f311da77 100644
--- a/testing/libfuzzer/fuzzers/sqlite3_prepare_v2_fuzzer.cc
+++ b/third_party/sqlite/fuzz/sqlite3_prepare_v2_fuzzer.cc
@@ -47,7 +47,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
       &db,
       SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_MEMORY, 0);
 
-
   if (SQLITE_OK != return_code)
     return 0;