Revert "Revert "Use std::set instead of SortedVector""

This reverts commit 2d8cc8945eb1c1be5ce6a262613a5aae6e257d06.

Reason for revert: Likely build was having issues, and the original CLs were fine. From looking into the issues more closely, it appears that the topic was not merged atomically.

Change-Id: I42393e615066b4cf10aa953757a3f43be5676a2f
diff --git a/services/inputflinger/InputReader.cpp b/services/inputflinger/InputReader.cpp
index eee49d5..2de5ffa 100644
--- a/services/inputflinger/InputReader.cpp
+++ b/services/inputflinger/InputReader.cpp
@@ -1094,8 +1094,8 @@
         }
 
         if (!changes || (changes & InputReaderConfiguration::CHANGE_ENABLED_STATE)) {
-            ssize_t index = config->disabledDevices.indexOf(mId);
-            bool enabled = index < 0;
+            auto it = config->disabledDevices.find(mId);
+            bool enabled = it == config->disabledDevices.end();
             setEnabled(enabled, when);
         }