Fix compatibility issue when building on JDK 17 but running on JDK 8

[msridhar]

Error Prone ran into a similar issue in google/error-prone#3895. We re-use the same fix, and also add a CI job to test this case. We could avoid this problem by only building releases on JDK 11, but might as well fix to avoid that requirement.

[coveralls]

Pull Request Test Coverage Report for Build #1136

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 15 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-0.05%) to 92.759%

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Files with Coverage Reduction	New Missed Lines	%
../nullaway/src/main/java/com/uber/nullaway/handlers/GrpcHandler.java	1	98.25%
../nullaway/src/main/java/com/uber/nullaway/dataflow/AccessPath.java	3	95.26%
../nullaway/src/main/java/com/uber/nullaway/NullabilityUtil.java	5	93.64%
../nullaway/src/main/java/com/uber/nullaway/handlers/ApacheThriftIsSetHandler.java	6	82.76%

Totals
Change from base Build #1134:	-0.05%
Covered Lines:	5611
Relevant Lines:	6049

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💛 - Coveralls

[ketkarameya]

LGTM.