Merge "add libmodprobe api to query the number of modules loaded" am:...

Merge "add libmodprobe api to query the number of modules loaded" am: a990f076 am: 1b3d01fb am: eeaa5827 am: ba9163bd

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1319047

Change-Id: Ibbee3b98826bd9f26026d98785d3223c46ab386b