Add appsearch multiuser test

Test: atest --rebuild-module-info CtsAppSearchHostTestCases
Bug: 173553485

Change-Id: I6d6c42156f5be2f8e895f08ae657648d995876e9
diff --git a/hostsidetests/appsearch/OWNERS b/hostsidetests/appsearch/OWNERS
new file mode 100644
index 0000000..f2060d9
--- /dev/null
+++ b/hostsidetests/appsearch/OWNERS
@@ -0,0 +1,2 @@
+# Bug component: 755061
+include platform/frameworks/base:/apex/appsearch/OWNERS