Fix patch file for bitflags 1.3.2.

Bug: http://b/339424309
Test: treehugger
Change-Id: I62b52c12ea5535b8f1b883bac3731baf272c3150

1.3.2/patches/Cargo.toml.patch

diff --git a/1.3.2/patches/Cargo.toml.patch b/1.3.2/patches/Cargo.toml.patch
index f50886a..e663728 100644
--- a/1.3.2/patches/Cargo.toml.patch
+++ b/1.3.2/patches/Cargo.toml.patch
@@ -1,7 +1,7 @@
-diff --git a/1.3.2/Cargo.toml b/1.3.2/Cargo.toml
+diff --git a/Cargo.toml b/Cargo.toml
 index 9d54c72..59ad06b 100644
---- a/1.3.2/Cargo.toml
-+++ b/1.3.2/Cargo.toml
+--- a/Cargo.toml
++++ b/Cargo.toml
 @@ -39,6 +39,7 @@ version = "1.0"
  
  [dev-dependencies.serde]