Fix typo in RCP documentation am: da59f47a57 am: b3c959aaeb

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3273254

Change-Id: Ia5e7ba419c8fe345fadf9bcdb64ba9c40a92914f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>