sqlite: Add missing dependencies to BUILD.gn.

Our two flavors of sqlite_shim.c #include rename_exports.h and
sqlite_shim_fixups.h. These dependencies need to be recorded in
BUILD.gn, so incremental builds work correctly.

Change-Id: I13f3eaf26bdfaaf0be2d458eae07e7d9281833ba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2162046Reviewed-by: Darwin Huang <huangdarwin@chromium.org>
Commit-Queue: Darwin Huang <huangdarwin@chromium.org>
Auto-Submit: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#762065}

third_party/sqlite/BUILD.gn

@@ -169,6 +169,8 @@ component("chromium_sqlite3") {
 
   sources = [
     "sqlite3_shim.c",
+    "sqlite3_shim_fixups.h",
+    "src/amalgamation/rename_exports.h",
     "src/amalgamation/sqlite3.h",
   ]
 
@@ -246,6 +248,8 @@ component("dev_sqlite3") {
 
   sources = [
     "dev/sqlite3_shim.c",
+    "sqlite3_shim_fixups.h",
+    "src/amalgamation_dev/rename_exports.h",
     "src/amalgamation_dev/sqlite3.h",
   ]