Set shim converted model relaxComputationF32ToF16. Test: Build image, run vts Bug: 191843484 Change-Id: Ib8eac583d142278ce8cd6c82f15ba50d1e67f453 Merged-In: Ib8eac583d142278ce8cd6c82f15ba50d1e67f453 (cherry picked from commit 26475a20822fd696c9f9e0b52ecb1dd153ad9e8d)