Optimize java JVM with full LTO for OpenJDK 21

Full LTO is enabled in OpenJDK 17. Now we enable it for OpenJDK 21.

Bug: b/228432840
Test: add -flto flag and then update prebuilt in android internal and
test build time

Change-Id: Ief7caf6b1705aeded4e68d7398e23239e2a57f61
1 file changed