Android: Avoid linking with --gc-sections.

build/config/compiler/BUILD.gn

Index: build/config/compiler/BUILD.gn
diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
index 738a907031ceae6156350e0f3f3e9bf50a1390f8..db0e6f0ef30569d62d0759b1f6f80af5a22f36e0 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -1372,15 +1372,7 @@ config("no_optimize") {
   } else if (is_android && !android_full_debug) {
     # On Android we kind of optimize some things that don't affect debugging
     # much even when optimization is disabled to get the binary size down.
-    cflags = [
-      "-Os",
-      "-fdata-sections",
-      "-ffunction-sections",
-    ]
-
-    # Don't use gc-sections since it can cause links to succeed when they
-    # actually shouldn't. http://crbug.com/159847
-    ldflags = common_optimize_on_ldflags - [ "-Wl,--gc-sections" ]
+    cflags = [ "-Os" ]
   } else {
     cflags = [ "-O0" ]
     ldflags = []