Use tron for logging hidden API accesses.

Example output:
sysui_multi_action: [757,1391,1392,1,1394,Ldalvik/system/VMRuntime;->getRuntime()Ldalvik/system/VMRuntime;]
sysui_multi_action: [757,1391,1392,1,1393,1,1394,Ldalvik/system/VMRuntime;->setHiddenApiExemptions([Ljava/lang/String;)V]

Test: m
Test: $ adb shell settings put global \
Test:     hidden_api_access_log_sampling_rate 65536
Test: $ adb lolcat -b events | grep sysui_multi_action | grep 1390
Bug: 77517571
Change-Id: I23548f902d2ff56ad00534421bf8afa902edaa75