Upgrade autocxx

This gets rid of most of our local changes.

Change-Id: I8a0aa1149e6e4c0c5c21952afd39915ec2a8bbfa
Signed-off-by: Brian Silverman <bsilver16384@gmail.com>
diff --git a/third_party/cargo/remote/BUILD.regex-syntax-0.6.27.bazel b/third_party/cargo/remote/BUILD.regex-syntax-0.6.27.bazel
new file mode 100644
index 0000000..7dba3ce
--- /dev/null
+++ b/third_party/cargo/remote/BUILD.regex-syntax-0.6.27.bazel
@@ -0,0 +1,65 @@
+"""
+@generated
+cargo-raze crate build file.
+
+DO NOT EDIT! Replaced on runs of cargo-raze
+"""
+
+# buildifier: disable=load
+load("@bazel_skylib//lib:selects.bzl", "selects")
+
+# buildifier: disable=load
+load(
+    "@rules_rust//rust:defs.bzl",
+    "rust_binary",
+    "rust_library",
+    "rust_proc_macro",
+    "rust_test",
+)
+
+package(default_visibility = [
+    # Public for visibility by "@raze__crate__version//" targets.
+    #
+    # Prefer access through "//third_party/cargo", which limits external
+    # visibility to explicit Cargo.toml dependencies.
+    "//visibility:public",
+])
+
+licenses([
+    "notice",  # MIT from expression "MIT OR Apache-2.0"
+])
+
+# Generated Targets
+
+# Unsupported target "bench" with type "bench" omitted
+
+rust_library(
+    name = "regex_syntax",
+    srcs = glob(["**/*.rs"]),
+    crate_features = [
+        "default",
+        "unicode",
+        "unicode-age",
+        "unicode-bool",
+        "unicode-case",
+        "unicode-gencat",
+        "unicode-perl",
+        "unicode-script",
+        "unicode-segment",
+    ],
+    crate_root = "src/lib.rs",
+    data = [],
+    edition = "2018",
+    rustc_flags = [
+        "--cap-lints=allow",
+    ],
+    tags = [
+        "cargo-raze",
+        "crate-name=regex-syntax",
+        "manual",
+    ],
+    version = "0.6.27",
+    # buildifier: leave-alone
+    deps = [
+    ],
+)