[CFI] Enable generalized cfi-icall for sqlite

Upstream cfi-icall fixes to sqlite have landed such that it is now type
generalization cfi-icall safe.

Bug: 785442
Change-Id: I162aa0e13eba9f11b06d8edeb452c6015f1f4e99
Reviewed-on: https://chromium-review.googlesource.com/938494Reviewed-by: Peter Collingbourne <pcc@chromium.org>
Reviewed-by: Victor Costan <pwnall@chromium.org>
Commit-Queue: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542939}

third_party/sqlite/BUILD.gn

@@ -237,6 +237,7 @@ component("chromium_sqlite3") {
   configs += [
     ":chromium_sqlite3_compile_options",
     "//build/config/compiler:no_chromium_code",
+    "//build/config/sanitizers:cfi_icall_generalize_pointers",
 
     # Must be after no_chromium_code for warning flags to be ordered correctly.
     ":sqlite_warnings",

tools/cfi/blacklist.txt

@@ -189,8 +189,6 @@ fun:*LocaleConvertCase*
 # third_party/boringssl/src/crypto/pem/pem_lib.c
 fun:*PEM_ASN1_write*
 
-src:*third_party/sqlite/*
-
 # PropertyCallbackArguments::Call methods cast function pointers
 src:*v8/src/api-arguments-inl.h