message: Update measurement doc about pre-built benchmark model binaries that support TF ops via the Flex delegate.
diff: @@ -32,9 +32,16 @@ command and retrieve results by using the `adb logcat` command.
  Download the nightly pre-built Android benchmark apps using the links below:
  * [android_aarch64](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/android_aarch64_benchmark_model.apk)
  -
  * [android_arm](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/android_arm_benchmark_model.apk)
  +As for Android benchmark apps that support [TF ops](https://www.tensorflow.org/lite/guide/ops_select)
  +via [Flex delegate](https://github.com/tensorflow/tensorflow/tree/master/tensorflow/lite/delegates/flex),
  +use the links below:
  +
  +* [android_aarch64](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/android_aarch64_benchmark_model_plus_flex.apk)
  +* [android_arm](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/android_arm_benchmark_model_plus_flex.apk)
  +
  +
  You can also build the app from source by following these
  [instructions](https://github.com/tensorflow/tensorflow/tree/master/tensorflow/lite/tools/benchmark/android).
  @@ -115,6 +122,16 @@ links below:
  * [android_aarch64](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/android_aarch64_benchmark_model)
  * [android_arm](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/android_arm_benchmark_model)
  +As for nightly pre-built binaries that support [TF ops](https://www.tensorflow.org/lite/guide/ops_select)
  +via [Flex delegate](https://github.com/tensorflow/tensorflow/tree/master/tensorflow/lite/delegates/flex),
  +use the links below:
  +
  +* [linux_x86-64](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/linux_x86-64_benchmark_model_plus_flex)
  +* [linux_aarch64](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/linux_aarch64_benchmark_model_plus_flex)
  +* [linux_arm](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/linux_arm_benchmark_model_plus_flex)
  +* [android_aarch64](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/android_aarch64_benchmark_model_plus_flex)
  +* [android_arm](https://storage.googleapis.com/tensorflow-nightly-public/prod/tensorflow/release/lite/tools/nightly/latest/android_arm_benchmark_model_plus_flex)
  +
  You can also build the native benchmark binary from
  [source](https://github.com/tensorflow/tensorflow/tree/master/tensorflow/lite/tools/benchmark)
  on your computer.
  