Update Go Dependency to 1.19.5

Also move to using fixed binary builds instead of building from source.

Dockerfile

@@ -36,8 +36,8 @@ RUN ln -sf $ANDROID_HOME/ndk/$NDK_VER $ANDROID_HOME/ndk-bundle
 ## - docker run --rm debian:stretch grep '^hosts:' /etc/nsswitch.conf
 RUN echo 'hosts: files dns' > /etc/nsswitch.conf
 
-ENV GOLANG_VERSION=1.19.3
-ENV GOLANG_SHA256=18ac263e39210bcf68d85f4370e97fb1734166995a1f63fb38b4f6e07d90d212
+ENV GOLANG_VERSION=1.19.5.linux-amd64
+ENV GOLANG_SHA256=36519702ae2fd573c9869461990ae550c8c0d955cd28d2827a6b159fda81ff95
 
 RUN set -eux; \
 	apt-get update; \
@@ -49,32 +49,11 @@ RUN set -eux; \
 		golang \
 	; \
 	rm -rf /var/lib/apt/lists/*; \
-	export \
-## set GOROOT_BOOTSTRAP such that we can actually build Go
-		GOROOT_BOOTSTRAP="$(go env GOROOT)" \
-## ... and set "cross-building" related vars to the installed system's values so that we create a build targeting the proper arch
-## (for example, if our build host is GOARCH=amd64, but our build env/image is GOARCH=386, our build needs GOARCH=386)
-		GOOS="$(go env GOOS)" \
-		GOARCH="$(go env GOARCH)" \
-		GOHOSTOS="$(go env GOHOSTOS)" \
-		GOHOSTARCH="$(go env GOHOSTARCH)" \
-	; \
-## also explicitly set GO386 and GOARM if appropriate
-## https://github.com/docker-library/golang/issues/184
-	aptArch="$(dpkg-architecture  -q DEB_BUILD_GNU_CPU)"; \
-	case "$aptArch" in \
-		arm) export GOARM='6' ;; \
-		x86_64) export GO386='387' ;; \
-	esac; \
-	\
-	wget -O go.tgz "https://golang.org/dl/go$GOLANG_VERSION.src.tar.gz"; \
+	wget -O go.tgz "https://golang.org/dl/go$GOLANG_VERSION.tar.gz"; \
 	echo "$GOLANG_SHA256 *go.tgz" | sha256sum -c -; \
 	tar -C /usr/local -xzf go.tgz; \
 	rm go.tgz; \
 	\
-	cd /usr/local/go/src; \
-	./make.bash; \
-	\
 	export PATH="/usr/local/go/bin:$PATH"; \
 	go version