Revert "Usb Gadget HAL: modify monitorfs behavior"

This reverts commit 9cf018372ba8527af4bc54d453f1e2a5d0a9749f.

Reason for revert: using alternate method for original behavior change
Bug: 187261232
Test: build pass

Change-Id: I3de693862ae49d78ca41b09cb7450fb5a8f9d2a3