Fix bug in app_id_from_name in stubs.cpp.

It seems that a break statement is missing.

Bug: 19872411
Change-Id: I9362783ab726d01f6eb27418563e716dd95688dc

libc/bionic/stubs.cpp

@@ -245,6 +245,7 @@ static id_t app_id_from_name(const char* name, bool is_group) {
         appid = android_ids[n].aid;
         // Move the end pointer to the null terminator.
         end += strlen(android_ids[n].name) + 1;
+        break;
       }
     }
   }