Removes the workaround for resetting TFLite state tensors for 18-input LSTM.

As the TTS model has been converted to use the new 20-input LSTM.

Bug: 112832445

Test: Covered by existing test:
com.example.android.nn.benchmark.NNTest#testNNAPI10Seconds[tts_float]

Change-Id: I459bb1782e8fc24423db36a63b8cef2f8a1d965f
Merged-In: I459bb1782e8fc24423db36a63b8cef2f8a1d965f
(cherry picked from commit 2f2912d76fefa0c558047a8db142a52b66450a7a)
1 file changed