Log test case to logcat

Sample output:

    I NeuralNetworksTest: useCpuOnly = 0, computeMode = ComputeMode::SYNC, allowSyncExecHal = 0  // pass 0
    I NeuralNetworksTest: [Test Case] OperationValidationTest.ADD_float16 BEGIN
    ...
    I NeuralNetworksTest: [Test Case] OperationValidationTest.ADD_float16 END
    I NeuralNetworksTest: [Test Case] OperationValidationTest.ADD_float32 BEGIN
    ...

Bug: 145183949
Test: NNT_static
Test: CtsNNAPITestCases
Change-Id: I923ed709e4f3450c6795cfb5e956a32f4a0f6bd1
Merged-In: I923ed709e4f3450c6795cfb5e956a32f4a0f6bd1
(cherry picked from commit d70ab63354a753ee52fbf517438b140f15a547af)
4 files changed