always install shared-dependencies

Author: chingor13

.kokoro/common.sh

@@ -337,6 +337,9 @@ function install_modules() {
     parse_all_submodules "$1"
     printf "Installing submodules:\n%s\n" "$all_submodules"
 
+    always_install_deps="sdk-platform-java/java-shared-dependencies,sdk-platform-java/java-shared-dependencies/first-party-dependencies,sdk-platform-java/java-shared-dependencies/third-party-dependencies"
+    printf "with always_install_deps:\n%s\n" "$all_submodules,$always_install_deps"
+
     # When working with a maven multi-module project containing other multi-module projects,
     # to build a module with its dependencies and without building its dependents:
     # Perform the install command on a grandchild module with the --also-make flag.
@@ -352,7 +355,7 @@ function install_modules() {
     #
     #   mvn install --projects java-kms/google-cloud-kms --also-make
     #      Correctly builds dependencies without building dependents.
-    mvn install --projects "$all_submodules" --also-make \
+    mvn install --projects "$all_submodules,$always_install_deps" --also-make \
       -B -ntp \
       -DtrimStackTrace=false \
       -Dclirr.skip=true \