Update AAPT for S V2.

Bug: 204295952
Test: N/A
Change-Id: I14f5d90ae913248e0c9f5776963fa5f66c4f6a7a
diff --git a/tools/aapt2/SdkConstants.cpp b/tools/aapt2/SdkConstants.cpp
index 0bbde62..8ea43abf 100644
--- a/tools/aapt2/SdkConstants.cpp
+++ b/tools/aapt2/SdkConstants.cpp
@@ -59,6 +59,7 @@
     {0x0606, SDK_Q},
     {0x0616, SDK_R},
     {0x064b, SDK_S},
+    {0x064c, SDK_S_V2},
 };
 
 static bool less_entry_id(const std::pair<uint16_t, ApiVersion>& p, uint16_t entryId) {