IVGCVSW-4515 Add ConvertBf16ToFp32Layer and Ref workload support

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: Ida6d7e1d2c9abe0618f8b711bab9d62c011090d6
diff --git a/Android.mk b/Android.mk
index c63022c..436ae22 100644
--- a/Android.mk
+++ b/Android.mk
@@ -132,6 +132,7 @@
         src/armnn/layers/ConcatLayer.cpp \
         src/armnn/layers/ConstantLayer.cpp \
         src/armnn/layers/Convolution2dLayer.cpp \
+        src/armnn/layers/ConvertBf16ToFp32Layer.cpp \
         src/armnn/layers/ConvertFp16ToFp32Layer.cpp \
         src/armnn/layers/ConvertFp32ToFp16Layer.cpp \
         src/armnn/layers/DebugLayer.cpp \