The Pub/Sub exporting connector cannot be compiled with new grpc versions

[vlvkobal]

Bug report summary

If gRPC version 1.32 or higher and other dependencies for Pub/Sub support are installed, Netdata's build process stops with a compilation error.

googleapis/cpp-cmakefiles is not supported anymore. We should rewrite the Pub/Sub exporting connector using a new C++ library that will get GA status for Pub/Sub soon.

Netdata version

netdata v1.26.0

Component Name

Pub/Sub exporting connector

Steps To Reproduce

Install gRPC version 1.32 or higher and other prerequisites for Pub/Sub support. Compile Netdata.

Expected behavior

Netdata builds and works with Pub/Sub support enabled when the newest gRPC library is installed.