The new files are failing our validation process in our CI builds.

test/hotspot/jtreg/compiler/arguments/TestLogJIT.java
test/hotspot/jtreg/compiler/arguments/TestTraceTypeProfile.java

IANAL but IIUC it is perfectly fine to have an Amazon only copyright notice, but the rest of the GPL header must be what Oracle has defined i.e. Oracle designates the CPE not Amazon, and the Oracle contact information must be present.

But also note that test files do not get the CPE anyway