Replace AutoFreeBuffer uses for SharedFD

Uses a combination of std::stringstream, std::string, and
std::vector<char>.

Bug: 144387776
Test: Build and run locally
Change-Id: I61f696c729b5895e922429cec550054196a01199
2 files changed
tree: 1261358570a1a734a9b35f77e2e705ce3eef325a
  1. common/
  2. guest/
  3. host/
  4. tests/
  5. tools/
  6. Android.bp
  7. Android.mk
  8. OWNERS
  9. TEST_MAPPING