Assume 32-bit ARM has Neon support in Mainline module SDKs.

Test: build/soong/scripts/build-aml-prebuilts.sh libz
Bug: 171071637
Change-Id: If123de2f8835a0cd2b7831f32d881e09a5a9c6df
diff --git a/android/arch.go b/android/arch.go
index f505ec6..616cead 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -1717,7 +1717,7 @@
 
 func getAmlAbisConfig() []archConfig {
 	return []archConfig{
-		{"arm", "armv7-a", "", []string{"armeabi-v7a"}},
+		{"arm", "armv7-a-neon", "", []string{"armeabi-v7a"}},
 		{"arm64", "armv8-a", "", []string{"arm64-v8a"}},
 		{"x86", "", "", []string{"x86"}},
 		{"x86_64", "", "", []string{"x86_64"}},