Allow "android" package name.

Test: /data/nativetest64/installd_utils_test/installd_utils_test
Bug: 36062649
Change-Id: I9b41a34822a1a194d256f5b99d5955e51716029c
diff --git a/cmds/installd/utils.cpp b/cmds/installd/utils.cpp
index b379037..af7a7c6 100644
--- a/cmds/installd/utils.cpp
+++ b/cmds/installd/utils.cpp
@@ -375,7 +375,7 @@
         return false;
     }
 
-    if (!hasSep || front) {
+    if (front) {
         LOG(WARNING) << "Missing separator in " << packageName;
         return false;
     }