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

Bug: b/182012482
Original change: https://android-review.googlesource.com/c/platform/tools/apifinder/+/1718270

Change-Id: I16f2f1b499faa2c1473ad4bde2792baa69359e42
(cherry picked from commit 1f6e0744e566a0ed6b9d3501a311c97ac55d2412)