Re-enable test

Bug: 193870426
Test: atest --host xml-rs_host_test_tests_event_writer
Change-Id: Ie310b7ea5cffa20229dfb99d39bd6bd9064b028e
diff --git a/patches/Android.bp.patch b/patches/Android.bp.patch
new file mode 100644
index 0000000..465a940
--- /dev/null
+++ b/patches/Android.bp.patch
@@ -0,0 +1,20 @@
+diff --git a/Android.bp b/Android.bp
+index 15bae6d..2800012 100644
+--- a/Android.bp
++++ b/Android.bp
+@@ -107,6 +107,7 @@ rust_test_host {
+     test_options: {
+         unit_test: true,
+     },
++    data: ["tests/documents/*"],
+ }
+ 
+ rust_test {
+@@ -114,6 +115,7 @@ rust_test {
+     defaults: ["xml-rs_test_defaults_xml_rs"],
+     // has rustc warnings
+     srcs: ["tests/event_writer.rs"],
++    data: ["tests/documents/*"],
+ }
+ 
+ rust_test_host {