Fix libbinder_sdk build warnings

-Wdeprecated-declarations
-Wformat
-Wpessimizing-move
-Wsign-compare
-Wsubobject-linkage
-Wunused-result
-Wzero-as-null-pointer-constant (turned on in ag/4503295)

Bug: 285204695
Test: m libbinder_sdk
Change-Id: Id4a482c511244968e450fdeecf6b9de41bc65b04