[NDK] fix gdb 8.3 build for windows

a) can not override operator new for libc++ for windows.
b) libc++ needs libucrt but clang didn't add that automatically.

Bug: 135839860
Bug: 62547070
Test: build
Change-Id: I11b2fad66e2a66214c9a92b2b2cb32b9eba3de54
2 files changed
tree: 591f6883951571e4d47eda5ed05981e4498819d7
  1. gdb-7.11/
  2. gdb-8.0.1/
  3. gdb-8.2/
  4. gdb-8.3/
  5. build-gdb.sh
  6. build.py