tools: add .java to list of linted suffixes (#7210)
tools: add .java to list of linted suffixes (#7210)

This will allow other projects that use this script to use `clang-format` with `.java` files.

Signed-off-by: Michael Rebello <d207f8179edebd36c6ff33f7db1973b360eda8cd@lyft.com>
eklitzke/envoy,istio/envoy,lizan/envoy,jrajahalme/envoy,lizan/envoy,eklitzke/envoy,eklitzke/envoy,eklitzke/envoy,lyft/envoy,lyft/envoy,envoyproxy/envoy,istio/envoy,eklitzke/envoy,envoyproxy/envoy,eklitzke/envoy,envoyproxy/envoy-wasm,lizan/envoy,envoyproxy/envoy,envoyproxy/envoy,lizan/envoy,lyft/envoy,jrajahalme/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,envoyproxy/envoy,lizan/envoy,lyft/envoy,lyft/envoy,envoyproxy/envoy-wasm,jrajahalme/envoy,istio/envoy,istio/envoy,envoyproxy/envoy,envoyproxy/envoy,lizan/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,jrajahalme/envoy,envoyproxy/envoy-wasm,istio/envoy,istio/envoy,envoyproxy/envoy,istio/envoy,jrajahalme/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,jrajahalme/envoy