Support 64-bit arm_on_x86_64

hasArmAndroidArch only checked for 32-bit arm target and thus didn't
work properly on 64-bit only systems.

Test: CtsRsCppTestCases 64-bit only arm on x86
Bug: 194800662
Change-Id: I87332d793dcdd4859766c9067b9fd53f9e4c2516
diff --git a/android/arch.go b/android/arch.go
index 54242e5..a97488d 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -1587,10 +1587,12 @@
 	return PrefixInList(arch.Abi, "arm")
 }
 
-// hasArmArch returns true if targets has at least non-native_bridge arm Android arch
+// hasArmAndroidArch returns true if targets has at least
+// one arm Android arch (possibly native bridged)
 func hasArmAndroidArch(targets []Target) bool {
 	for _, target := range targets {
-		if target.Os == Android && target.Arch.ArchType == Arm {
+		if target.Os == Android &&
+			(target.Arch.ArchType == Arm || target.Arch.ArchType == Arm64) {
 			return true
 		}
 	}