Ensure the Eager Runtime builds for Android. For the benefit of TF Lite it is

important that the Eager Runtime remains compatible with Android. For now only
eager:execute is built since this is the main target TF Lite will depend on.

PiperOrigin-RevId: 207012943

tensorflow/tools/ci_build/builds/android.sh

@@ -26,13 +26,19 @@ configure_android_workspace
 # android_full.sh
 
 echo "========== TensorFlow Demo Build Test =========="
+TARGETS=
+TARGETS+=" //tensorflow/examples/android:tensorflow_demo"
+# Also build the Eager Runtime so it remains compatible with Android for the
+# benefits of clients like TensorFlow Lite. For now it is enough to build only
+# :execute, which what TF Lite needs.
+TARGETS+=" //tensorflow/core/common_runtime/eager:execute"
 # Enable sandboxing so that zip archives don't get incorrectly packaged
 # in assets/ dir (see https://github.com/bazelbuild/bazel/issues/2334)
 # TODO(gunan): remove extra flags once sandboxing is enabled for all builds.
 bazel --bazelrc=/dev/null build \
     --compilation_mode=opt --cxxopt=-std=c++11 --fat_apk_cpu=x86_64 \
     --spawn_strategy=sandboxed --genrule_strategy=sandboxed \
-    //tensorflow/examples/android:tensorflow_demo
+    ${TARGETS}
 
 echo "========== Makefile Build Test =========="
 # Test Makefile build just to make sure it still works.