cronet: Address Setter/Getter related API linter issues am: 00b4a97224

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2469783

Change-Id: I2e31edade12ee983ea4c08013bea9db54d802ef7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>