Add Android.bp prebuilt ELF check error fixer

fix_android_bp_prebuilt.sh fixes Android.bp prebuilt ELF check errors.

To auto-fix a problematic Android.bp:
$ fix_android_bp_prebuilt --in-place <bp file>

Show a diff patch to stdout instead of editing in place:
$ fix_android_bp_prebuilt --diff <bp file>

Bug: 149715904
Test: run fix_android_bp_prebuilt on some Android.bp
Change-Id: Ia1749a0f7fa468290cc2f64c4bc4f61ec4e7742b
3 files changed