Adds support for input/output sequence to the benchmark.

Bug: 111245129

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

Change-Id: I44b9780c9828c7c6a29a5cc1854399d3c95f6a1e
Merged-In: I44b9780c9828c7c6a29a5cc1854399d3c95f6a1e
(cherry picked from commit 34b91cf51b4fa490cd8dcbbb1f10f68209a0b347)
8 files changed