[Android]: Don't omit the frame pointer on Arm64.

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 99adeb0b28b4d8ec3f7556c817f10b50a6d5124f..0d814a87cc683c7bf5c77b3d0b1fa3711c9ea4e7 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -3435,7 +3435,6 @@
                   'debug_optimize%': 's',
                 },
                 'cflags': [
-                  '-fomit-frame-pointer',
                   '-fdata-sections',
                   '-ffunction-sections',
                 ],
@@ -3444,6 +3443,14 @@
                   '-Wl,--as-needed',
                 ],
               }],
+              ['OS=="android" and android_full_debug==0 and target_arch!="arm64"', {
+                # We don't omit frame pointers on arm64 since they are required
+                # to correctly unwind stackframes which contain system library
+                # function frames (crbug.com/391706).
+                'cflags': [
+                  '-fomit-frame-pointer',
+                ],
+              }],
               ['OS=="linux" and target_arch=="ia32"', {
                 'ldflags': [
                   '-Wl,--no-as-needed',
@@ -3499,13 +3506,18 @@
                   '-Wl,--gc-sections',
                 ],
               }],
+              ['OS=="android" and target_arch!="arm64"', {
+                # We don't omit frame pointers on arm64 since they are required
+                # to correctly unwind stackframes which contain system library
+                # function frames (crbug.com/391706).
+                'cflags': [
+                  '-fomit-frame-pointer',
+                ]
+              }],
               ['OS=="android"', {
                 'variables': {
                   'release_optimize%': 's',
                 },
-                'cflags': [
-                  '-fomit-frame-pointer',
-                ],
                 'ldflags': [
                   # Warn in case of text relocations.
                   '-Wl,--warn-shared-textrel',