Changes Java/Kotlin AndroidLint API Finder check to also detect Protected methods. am: 9eccc1ae92 am: 1511c56b66 am: d9ef072667 am: bda4cc1c8f am: c5d722a95b

Original change: https://googleplex-android-review.googlesource.com/c/platform/tools/apifinder/+/14888438

Change-Id: I04dffd6715d157a0932255021569ad9b0c6ef67b