Update app tests to set Unbundled_build

Based on the description for UnbundledBuildApps(), UnbundledBuild()
should always be true when UnbundledBuildApps() is true.
Updating the test to match this condition.
More details: https://android-review.git.corp.google.com/c/platform/build/soong/+/2380693/comment/54f172b4_2eee54fa/


Bug: b/227460469
Test: m nothing
Change-Id: I3a93edb781522da5af201f6864e157e7bab2195a
diff --git a/java/app_test.go b/java/app_test.go
index cd88864..3fb67c1 100644
--- a/java/app_test.go
+++ b/java/app_test.go
@@ -3163,6 +3163,7 @@
 				variables.Platform_sdk_version = &platform_sdk_version
 				variables.Platform_sdk_codename = &platform_sdk_codename
 				variables.Platform_version_active_codenames = []string{platform_sdk_codename}
+				variables.Unbundled_build = proptools.BoolPtr(true)
 				variables.Unbundled_build_apps = []string{"sampleModule"}
 			}),
 		)
@@ -3241,6 +3242,7 @@
 				variables.Platform_sdk_final = &testCase.platform_sdk_final
 				variables.Platform_sdk_version = &platform_sdk_version
 				variables.Platform_sdk_codename = &platform_sdk_codename
+				variables.Unbundled_build = proptools.BoolPtr(true)
 				variables.Unbundled_build_apps = []string{"sampleModule"}
 			}),
 		)
@@ -3311,6 +3313,7 @@
 				variables.Platform_sdk_final = &testCase.platform_sdk_final
 				variables.Platform_sdk_version = &platform_sdk_version
 				variables.Platform_sdk_codename = &platform_sdk_codename
+				variables.Unbundled_build = proptools.BoolPtr(true)
 				variables.Unbundled_build_apps = []string{"sampleModule"}
 			}),
 		)