Upgrade rust/crates/clang-sys to 1.1.0

Test: make
Change-Id: I75935786b67a6bea3fce1a07ea94ec60dc13caf6
diff --git a/Cargo.toml b/Cargo.toml
index 3f1b777..1da2ac4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@
 
 [package]
 name = "clang-sys"
-version = "1.0.3"
+version = "1.1.0"
 authors = ["Kyle Mayes <kyle@mayeses.com>"]
 build = "build.rs"
 links = "clang"
@@ -38,6 +38,7 @@
 
 [features]
 clang_10_0 = ["clang_9_0"]
+clang_11_0 = ["clang_10_0"]
 clang_3_5 = []
 clang_3_6 = ["clang_3_5"]
 clang_3_7 = ["clang_3_6"]