Revert of [GN]: BUILD file housecleaning

build/config/android/BUILD.gn

Index: build/config/android/BUILD.gn
diff --git a/build/config/android/BUILD.gn b/build/config/android/BUILD.gn
index 0503bef1e1f3edd4ef79313dbbb37deeab1d87d5..bfc046dabb24edc704d46fb637b432492225293a 100644
--- a/build/config/android/BUILD.gn
+++ b/build/config/android/BUILD.gn
@@ -115,10 +115,6 @@ config("compiler") {
       abi_target,
     ]
   }
-
-  # Assign any flags set for the C compiler to asmflags so that they are sent
-  # to the assembler.
-  asmflags = cflags
 }
 
 # This is included by reference in the //build/config/compiler:runtime_library
@@ -198,7 +194,6 @@ config("runtime_library") {
 config("sdk") {
   if (sysroot != "") {
     cflags = [ "--sysroot=" + sysroot ]
-    asmflags = [ "--sysroot=" + sysroot ]
     ldflags = [ "--sysroot=" + sysroot ]
 
     # Need to get some linker flags out of the sysroot.
@@ -214,7 +209,6 @@ config("sdk") {
 
 config("executable_config") {
   cflags = [ "-fPIE" ]
-  asmflags = [ "-fPIE" ]
   ldflags = [ "-pie" ]
 }