Fix documentation.

1. Fix documentation for Operand::numberOfConsumers.
2. Fix typos.

Bug: 69055733
Bug: 76016141
Bug: 74111771

Test: NeuralNetworksTest_static
Test: VtsHalNeuralnetworksV1_0TargetTest --hal_service_instance=android.hardware.neuralnetworks@1.0::IDevice/sample-all
Test: VtsHalNeuralnetworksV1_1TargetTest --hal_service_instance=android.hardware.neuralnetworks@1.1::IDevice/sample-all

Change-Id: Ib3d5bbfa701070597731992c3867f72d7b0280bd
diff --git a/neuralnetworks/1.1/IDevice.hal b/neuralnetworks/1.1/IDevice.hal
index ca22555..d2c4843 100644
--- a/neuralnetworks/1.1/IDevice.hal
+++ b/neuralnetworks/1.1/IDevice.hal
@@ -41,7 +41,7 @@
     /**
      * Gets the supported operations in a model.
      *
-     * getSupportedSubgraph indicates which operations of a model are fully
+     * getSupportedOperations indicates which operations of a model are fully
      * supported by the vendor driver. If an operation may not be supported for
      * any reason, getSupportedOperations must return false for that operation.
      *