Update Java Gen to use new Java Version file (#1509)

Part of pulumi/ci-mgmt#506

.ci-mgmt.yaml

@@ -26,7 +26,6 @@ plugins:
     version: "0.0.1"
 team: ecosystem
 goBuildParallelism: 2
-javaGenVersion: "v0.9.8"
 runner:
   prerequisites: pulumi-ubuntu-8core
   buildSdk: pulumi-ubuntu-8core

.pulumi-java-gen.version

@@ -0,0 +1 @@
+0.9.8

.upgrade-config.yml

@@ -5,4 +5,3 @@ upstream-provider-name: terraform-provider-azurerm
 pulumi-infer-version: true
 remove-plugins: true
 pr-reviewers: iwahbe # Team: pulumi/Providers
-javaVersion: "v0.9.8"

Makefile

@@ -9,7 +9,6 @@ TFGEN := pulumi-tfgen-$(PACK)
 PROVIDER := pulumi-resource-$(PACK)
 VERSION := $(shell pulumictl get version)
 JAVA_GEN := pulumi-java-gen
-JAVA_GEN_VERSION := v0.9.8
 TESTPARALLELISM := 10
 WORKING_DIR := $(shell pwd)
 PULUMI_PROVIDER_BUILD_PARALLELISM ?= -p 2
@@ -137,8 +136,8 @@ upstream.finalize:
 upstream.rebase:
 	scripts/upstream.sh "$@" start_rebase
 
-bin/pulumi-java-gen:
-	pulumictl download-binary -n pulumi-language-java -v $(JAVA_GEN_VERSION) -r pulumi/pulumi-java
+bin/pulumi-java-gen: .pulumi-java-gen.version
+	pulumictl download-binary -n pulumi-language-java -v v$(shell cat .pulumi-java-gen.version) -r pulumi/pulumi-java
 
 # To make an immediately observable change to .ci-mgmt.yaml:
 #