Add "libc++fs" as whole_static_libs of "libarttools".

This change addresses ODR violations introduced by
commit 2061ae2d4558acd8b79256f16f7a8d79a5d396e1.

Size before:
libarttools.so 94280
artd 286000
art_exec 74800
odrefresh 359888
Total ART APEX (uncompressed): 60801024

Size after:
libarttools.so 94280
artd 214888
art_exec 58664
odrefresh 338984
Total ART APEX (uncompressed): 60698624

Bug: 270015007
Test: atest art_standalone_libarttools_tests
Test: atest art_standalone_artd_tests
Test: atest art_standalone_odrefresh_tests
Test: DIST_DIR=/tmp/dist TARGET_PRODUCT=armv8 TARGET_BUILD_VARIANT=eng \
  ./art/test/testrunner/run_build_test_target.py -j80 art-gtest-asan32
Merged-In: I020cd0b4d2847d62ad13386da8579b03d3888e12
(partially cherry picked from commit 46f29122ce31614f458fc76e6513d6a4c6b622a5)

Change-Id: I8b9e17785589e75a1cea3241b9641b1ae1388711
3 files changed