Merge "Revert "linker: map the entire ELF file if address space is 64bit"" into main am: 1fb9272dc7

Original change: https://android-review.googlesource.com/c/platform/bionic/+/3196061

Change-Id: Ib85296fcf214702ff821ff0c03b3b909c61a67a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>