MLCE-530 Add front end support for UnidirectionalSequenceLstm on ArmNN

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: I57bcbdec3eb0155f41af0fe7d6abf9bac2ec86eb
diff --git a/Android.mk b/Android.mk
index 79e5623..d3f1dcf 100644
--- a/Android.mk
+++ b/Android.mk
@@ -218,6 +218,7 @@
         src/armnn/layers/SwitchLayer.cpp \
         src/armnn/layers/TransposeConvolution2dLayer.cpp \
         src/armnn/layers/TransposeLayer.cpp \
+        src/armnn/layers/UnidirectionalSequenceLstmLayer.cpp \
         src/armnn/layers/UnmapLayer.cpp \
         src/profiling/ActivateTimelineReportingCommandHandler.cpp \
         src/profiling/BufferManager.cpp \