Set system property from list of backported fixes

Because the caluculation of a BitSet is
to compicated for make a genrule and java are
used to ro.build.backported_fixes.alias_bitset.long_list to the end of
the system property file.

This part of the API for backported fixes.  See go/android-backported-fixes-spec

Bug: 377727445
Test: atest applied_backported_fixes_test backported_fixes_common_test
Change-Id: I2621e2fb52401495f796a5a4db330c5dfafbda40