Sync NNAPI Operand and Operation documentation fixes

This CL adds the typo fixes, bug fixes, and missing descriptions added
to the NNAPI but not to the NN HAL. This CL also adds description of
implicit padding, which was present but not documented in 1.0.

Bug: 77541934
Bug: 75459529
Test: mma
Change-Id: I7baa9e515057c43e759849284b3bb0d420a71f1b
diff --git a/neuralnetworks/1.0/IExecutionCallback.hal b/neuralnetworks/1.0/IExecutionCallback.hal
index ef0f454..9c06166 100644
--- a/neuralnetworks/1.0/IExecutionCallback.hal
+++ b/neuralnetworks/1.0/IExecutionCallback.hal
@@ -28,7 +28,7 @@
      * ErrorStatus resulting from the execution. If the asynchronous task
      * is not launched, notify must be invoked with the appropriate error.
      *
-     * @return param Error status returned from launching the asynchronous task
+     * @param status Error status returned from launching the asynchronous task
      *               (if the launch fails) or from the asynchronous task itself
      *               (if the launch succeeds). Must be:
      *               - NONE if the asynchronous execution was successful