Document that google-java-format 1.5 should be used
Document that google-java-format 1.5 should be used

Change-Id: I4b12090afb06e75fe8d34594b704df3f36f62522
Signed-off-by: Edwin Kempin <d43fb6c98c97e553b671ed9a9318100f1de386e7@google.com>

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