bionic: loader: Don't bail out if reading pad_segment note fails

The PAD_SEGMENT note is used to optimize memory usage of the loader.

If the note parsing fails, skip the optimization and continue
loading the ELF normally.

Bug: 324309329
Bug: 316403210
Change-Id: I2aabc9f399816c53eb33ff303208a16022571edf
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
diff --git a/linker/linker_phdr.cpp b/linker/linker_phdr.cpp
index 85cd949..8925e62 100644
--- a/linker/linker_phdr.cpp
+++ b/linker/linker_phdr.cpp
@@ -721,8 +721,9 @@
     // at most 1 PT_NOTE mapped at anytime during this search.
     MappedFileFragment note_fragment;
     if (!note_fragment.Map(fd_, file_offset_, phdr->p_offset, phdr->p_memsz)) {
-      DL_ERR("\"%s\" note mmap failed: %s", name_.c_str(), strerror(errno));
-      return false;
+      DL_WARN("\"%s\" note mmap failed: %s", name_.c_str(), strerror(errno));
+      // If mmap failed, skip the optimization but don't block ELF loading
+      return true;
     }
 
     const ElfW(Nhdr)* note_hdr = nullptr;