[IE-MYRIAD] VPU doesn't support depthwise_multiplier >1

[Christywl]

Test Env:
Chromium Version: nightly build 79.0.3917.0 (74a844d)
Platform: Linux

Expected Result:
The tests should pass.

Actual Result:
VPU doesn't support depthwise_multiplier >1:

[24753:24767:0612/152351.576597:ERROR:compilation_delegate_ie.cc(585)] depthwise_multiplier 2 is not supported

How to Reproduce:
Launch chromium with /usr/bin/chromium-browser-unstable --no-sandbox --use-inference-engine and visit

• https://brucedai.github.io/webnnt/test/issue_depthwise_3.html?prefer=low
• https://brucedai.github.io/webnnt/test/issue_atrous_depthwise_1.html?prefer=low

Emotion Analysis examples( SSD MobileNet v1/ SSD MobileNet v2/SSDLite MobileNet v2) don't work since this:
depthwise_multiplier 32 is not supported