Update androidmk translator

support LOCAL_SRC_FILES_EXCLUDE, and fix a typo arm->arch.

Change-Id: I9f789e943d9aca4c5aff2b6b56b1e4a0626ecd86
diff --git a/androidmk/cmd/androidmk/android.go b/androidmk/cmd/androidmk/android.go
index 31eb6cc..fee15d2 100644
--- a/androidmk/cmd/androidmk/android.go
+++ b/androidmk/cmd/androidmk/android.go
@@ -33,6 +33,7 @@
 
 	// List properties
 	"LOCAL_SRC_FILES":               {"srcs", bpparser.List},
+	"LOCAL_SRC_FILES_EXCLUDE":       {"exclude_srcs", bpparser.List},
 	"LOCAL_SHARED_LIBRARIES":        {"shared_libs", bpparser.List},
 	"LOCAL_STATIC_LIBRARIES":        {"static_libs", bpparser.List},
 	"LOCAL_WHOLE_STATIC_LIBRARIES":  {"whole_static_libs", bpparser.List},
@@ -314,7 +315,7 @@
 
 var propertyPrefixes = map[string]string{
 	"arm":    "arch.arm",
-	"arm64":  "arm.arm64",
+	"arm64":  "arch.arm64",
 	"mips":   "arch.mips",
 	"mips64": "arch.mips64",
 	"x86":    "arch.x86",