Proto commits in androidthings/sample-googleassistant

These 10 commits are when the Protocol Buffers files have changed:

Commit:07853ee
Author:Johan Euphrosine
Committer:Johan Euphrosine

sample-googleassistant: fix visual display - update proto - set ScreenOutConfig conditionally - fix layout following 課長 recommendation Bug: 78541373 Change-Id: I2aa9b66d033e5317cbc88ef085fc7982a3ecef8c

The documentation is generated from this commit.

Commit:0493a7f
Author:Nick Felker
Committer:Nick Felker

Adds visual output to sample Bug: 78541373 Change-Id: I761ac818f9351ecf34a70037fccee0035ec67172

Commit:4ff66ed
Author:Nick Felker
Committer:Nick Felker

Changes comments in Embedded Assistant proto Bug: 70240926 Change-Id: I62a11fbe434a8dd5f77a794a2aac72a81b738c52

Commit:1b1c266
Author:Nick Felker
Committer:Nick Felker

Adds additional fields to Assistant proto Bug: 69553703 Change-Id: I45078e8f5d4309f89808705a1bb2f5567c850825

Commit:810188c
Author:Nick Felker
Committer:Nick Felker

Adds additional fields to Assistant proto Bug: 69553703 Change-Id: I45078e8f5d4309f89808705a1bb2f5567c850825

Commit:004b0f8
Author:Nick Felker
Committer:Nick Felker

Updates sample to use v1alpha2 Bug: 69553703 Change-Id: Ic133648280763f03d9299f87c7583590820b01a7

Commit:66a7297
Author:Johan Euphrosine
Committer:Johan Euphrosine

sample-googleassistant/grpc: fix proto path Bug: 64460327 Change-Id: Ia3ed9e5725fabe6579418d6d8a7cc1f46a14ceed

Commit:ffc4083
Author:Nick Felker
Committer:Nick Felker

Moves gRPC bindings to a separate module Change-Id: Iff4485eb9f6cd7ef0f9d4fea8c2176dd6fc4c641

Commit:6577a46
Author:Johan Euphrosine
Committer:Johan Euphrosine

voice-recognizer-at: add microphone and speaker support Bug: 36124920 Change-Id: I711da36d99a5e0f0df9bcfeb884697a440caed60

Commit:2aa9600
Author:Johan Euphrosine
Committer:Johan Euphrosine

spacepark/voice-recognizer-at: simple Android Things assistant sample - stream a pre-recorded audio file - write the assistant audio answer to a temporary file Change-Id: Ic51d3d58d1276aebff06a40ad370f2a3ba38d92c