Replace the function 'OnRcpReset()' with 'HardwareReset()'

The lastest OpenThread source code has removed the function 'OnRcpReset()'
and added the function 'HardwareReset()'. This CL replaces the function
'OnRcpReset()' with 'HardwareReset()'.

Bug: b/281629567
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:fc01bfdd2867bbcf82de8f930004928a01020e1a)
Merged-In: I9e77970903656e7c7b66078fb5a380f6630d639b
Change-Id: I9e77970903656e7c7b66078fb5a380f6630d639b
1 file changed