fix(generator): align template and post-processor formatting #2365

Job	Run time
filter	52s
sdk-platform-java integration (25)	10m 4s
unmanaged_dependency_check	11m 4s
clirr	2m 37s
dependency_analyzer_unit_test	1m 18s
sdk-platform-java units (8)	4m 28s
sdk-platform-java integration (17)	9m 54s
sdk-platform-java units (17)	4m 24s
gapic-generator-java-bom	3m 27s
gapic-generator-java (8)	11m 39s
sdk-platform-java integration (21)	9m 39s
sdk-platform-java self-service clients (11)	9m 14s
sdk-platform-java units (25)	4m 10s
sdk-platform-java integration (11)	10m 9s
dependencies	3m 22s
java8-compatibility	6m 27s
sdk-platform-java units (11)	4m 24s
sdk-platform-java units (21)	4m 29s
sdk-platform-java self-service clients (17)	9m 37s
	2h 1m 18s

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