Name packed relocations section appropriately for arm64.

build/android/pack_arm_relocations.gypi

Index: build/android/pack_arm_relocations.gypi
diff --git a/build/android/pack_arm_relocations.gypi b/build/android/pack_arm_relocations.gypi
index e982527b4ce8bed401bffe6e05eae53cdecad851..5df1d7e422e3b3b062d0ef673c6c97586de2d65f 100644
--- a/build/android/pack_arm_relocations.gypi
+++ b/build/android/pack_arm_relocations.gypi
@@ -25,6 +25,13 @@
 {
   'variables': {
     'input_paths': [],
+    'conditions': [
+      ['target_arch == "arm64"', {
+        'has_relocations_with_addends': 1,
+      }, {
+        'has_relocations_with_addends': 0,
+      }],
+    ],
   },
   'inputs': [
     '<(DEPTH)/build/android/gyp/util/build_utils.py',
@@ -48,6 +55,7 @@
         'python', '<(DEPTH)/build/android/gyp/pack_arm_relocations.py',
         '--configuration-name=<(CONFIGURATION_NAME)',
         '--enable-packing=1',
+        '--has-relocations-with-addends=<(has_relocations_with_addends)',
         '--exclude-packing-list=<@(exclude_packing_list)',
         '--android-pack-relocations=<(PRODUCT_DIR)/relocation_packer',
         '--android-objcopy=<(android_objcopy)',