supersize: Track symbol aliases and shared symbols

tools/binary_size/libsupersize/testdata/Diff_NullDiff.golden

Index: tools/binary_size/libsupersize/testdata/Diff_NullDiff.golden
diff --git a/tools/binary_size/libsupersize/testdata/Diff_NullDiff.golden b/tools/binary_size/libsupersize/testdata/Diff_NullDiff.golden
index 4e4204271ebf150ad1886c9019b5be459d3f713c..65819d5c6058167f6751d44b8ba81212162f7dc0 100644
--- a/tools/binary_size/libsupersize/testdata/Diff_NullDiff.golden
+++ b/tools/binary_size/libsupersize/testdata/Diff_NullDiff.golden
@@ -1,4 +1,11 @@
 Common Metadata:
+    elf_arch=ARM
+    elf_build_id=WhatAnAmazingBuildId
+    elf_file_name=elf
+    elf_mtime={redacted}
+    git_revision=abc123
+    gn_args=var1=true var2="foo"
+    map_file_name=../test.map
 Old Metadata:
 New Metadata:
 
@@ -10,11 +17,11 @@ Section Sizes (Total=0 bytes):
     .rodata: 0 bytes (0.0%)
     .text: 0 bytes (0.0%)
 
-0 symbols added (+), 0 changed (~), 0 removed (-), 38 unchanged (not shown)
+0 symbols added (+), 0 changed (~), 0 removed (-), 41 unchanged (not shown)
 0 object files added, 0 removed
 
-Showing 0 symbols with total size: 0 bytes
+Showing 0 symbols with total pss: 0 bytes
 .text=0 bytes    .rodata=0 bytes    other=0 bytes    total=0 bytes
 Number of object files: 0
 
-First columns are: running total, type, size
+First columns are: running total, address, pss