Reset master to upstream 120775eb1c
and merge history.
Bug: 35151782
Test: Build dtc, use output dtc to build dts, can output correct dtb.
Change-Id: I4d3ef31a8597f7b214fea2d70ceb99a08d57d925
Replace version_gen.h with hardcoded version_non_gen.h
Add Android.mk and libfdt/Android.mk
Change dtc-parser.tab.h to dtc-parser.h (in dtc-lexer.l)
Change-Id: If7b8ac5fdad41294298161b3e800fc81347be415