Add pets_labels_list.txt to Android assets directory for TensorFlow Lite Object Detection app.

PiperOrigin-RevId: 203689941

Author: tensorflower-gardener

tensorflow/contrib/lite/examples/android/app/src/main/assets/pets_labels_list.txt

@@ -0,0 +1,38 @@
+???
+Abyssinian
+american_bulldog
+american_pit_bull_terrier
+basset_hound
+beagle
+Bengal
+Birman
+Bombay
+boxer
+British_Shorthair
+chihuahua
+Egyptian_Mau
+english_cocker_spaniel
+english_setter
+german_shorthaired
+great_pyrenees
+havanese
+japanese_chin
+keeshond
+leonberger
+Maine_Coon
+miniature_pinscher
+newfoundland
+Persian
+pomeranian
+pug
+Ragdoll
+Russian_Blue
+saint_bernard
+samoyed
+scottish_terrier
+shiba_inu
+Siamese
+Sphynx
+staffordshire_bull_terrier
+wheaten_terrier
+yorkshire_terrier