Fix HiddenApiTest#testSignatureMethodsThroughReflection.

It could not parse the annotation.

Bug: 188503851
Test: atest HiddenApiTest#testSignatureMethodsThroughReflection
Test: flash image, remove jetpack @SdkSuppress, and run jetpack tests
Change-Id: I05093b61b8658ad95db4f7e49c2f64bc314aa4b1
1 file changed