Add libstd signal patch and patching script.

apply_patches.sh should be run after toolchain upgrades.

Bug: 169434439
Test: apply_patches.sh applies patches in the patches directory.
Change-Id: Ib9140db68baaf8a372901dce299c79b17e922627
2 files changed
tree: 671fac5d9e5c6e72f71715c62b54f7a7fb8d1457
  1. bootstrap/
  2. darwin-x86/
  3. linux-x86/
  4. Android.bp
  5. OWNERS