Replace LOOKUP with EMBEDDING and HASHTABLE_LOOKUP

Bug: 63905942

Test: adb shell /data/nativetest64/embedding_lookup_test/embedding_lookup_test
Change-Id: Ic9ac31f60ac8a6e2c59700a34909004f4b5dc9ff
diff --git a/neuralnetworks/1.0/types.hal b/neuralnetworks/1.0/types.hal
index 0adebb8..4bd6a08 100644
--- a/neuralnetworks/1.0/types.hal
+++ b/neuralnetworks/1.0/types.hal
@@ -73,7 +73,8 @@
     SVDF                         = 29,
     RNN                          = 30,
     N_GRAM                       = 31,
-    LOOKUP                       = 32,
+    EMBEDDING_LOOKUP             = 32,
+    HASHTABLE_LOOKUP             = 33,
 };
 
 // Two special values that can be used instead of a regular poolIndex.