chrome-icu: Install headers ucnv.h and ucsdet.h

Install the following header files:
common/unicode/ucnv.h
common/unicode/ucnv_err.h
i18n/unicode/ucsdet.h

BUG=chromium:912236
TEST=cros_workon start chrome-icu
TEST=CHROME_ORIGIN=SERVER_SOURCE emerge-kevin chrome-icu
TEST=find /build/kevin/usr/include/icu-chrome -name ucnv.h
TEST=find /build/kevin/usr/include/icu-chrome -name ucsdet.h

Change-Id: I7b80cf4122c01c99df103fca4dda17f4bbb198da
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2554679
Reviewed-by: Honglin Yu <honglinyu@chromium.org>
Reviewed-by: François Degros <fdegros@chromium.org>
Commit-Queue: François Degros <fdegros@chromium.org>
Tested-by: François Degros <fdegros@chromium.org>
1 file changed