[build] Install dartaotruntime to /usr/bin in the Debian package.

This removes a discrepancy in what is on PATH when installing the SDK via the Debian package versus unpacking the ZIP and adding dart-sdk/bin to PATH.

Bug: https://github.com/dart-lang/sdk/issues/49293
Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try
Change-Id: I57361cc090449dd4fd7a8e4ebbc60ace71af11fb
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/431741
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>

tools/debian_package/debian/dart.links

@@ -1,2 +1,3 @@
 usr/lib/dart/bin/dart usr/bin/dart
+usr/lib/dart/bin/dartaotruntime usr/bin/dartaotruntime
 

tools/debian_package/test_debian_package.sh

@@ -7,6 +7,13 @@ set -ex
 debfile="$1"
 checkout=$(pwd)
 
+# api.buildbucket.gitiles_commit.id is not populated in try jobs :(
+if [ ! -f $debfile ]; then
+  echo "warning: $debfile does not exist"
+  version=$(tools/debian_package/get_version.py)
+  debfile="out/ReleaseX64/dart_${version}-1_amd64.deb"
+fi
+
 function test_image() {
   image="$1"
   docker run -v $checkout:$checkout -w $checkout -i --rm $image tools/debian_package/test_debian_package_inside_docker.sh $debfile

tools/debian_package/test_debian_package_inside_docker.sh

@@ -22,7 +22,11 @@ dart analyze /tmp/hello.dart
 # Test VM JIT
 dart /tmp/hello.dart
 
-# Test VM AOT
+# Test VM AOT - proper library, dartaotruntime on PATH
+dart compile aot-snapshot -o /tmp/libhello.so /tmp/hello.dart
+dartaotruntime /tmp/libhello.so
+
+# Test VM AOT - self-contained executable
 dart compile exe -o /tmp/hello.exe /tmp/hello.dart
 /tmp/hello.exe