Use filegroup as genrule srcs.

Test: mmma hardware/interfaces -j64
Change-Id: If282ed5f4a87045d169fcea7ad648b046a5f1cfb
diff --git a/wifi/1.0/Android.bp b/wifi/1.0/Android.bp
index 59326d0..2319999 100644
--- a/wifi/1.0/Android.bp
+++ b/wifi/1.0/Android.bp
@@ -25,20 +25,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.wifi@1.0",
     srcs: [
-        "types.hal",
-        "IWifi.hal",
-        "IWifiApIface.hal",
-        "IWifiChip.hal",
-        "IWifiChipEventCallback.hal",
-        "IWifiEventCallback.hal",
-        "IWifiIface.hal",
-        "IWifiNanIface.hal",
-        "IWifiNanIfaceEventCallback.hal",
-        "IWifiP2pIface.hal",
-        "IWifiRttController.hal",
-        "IWifiRttControllerEventCallback.hal",
-        "IWifiStaIface.hal",
-        "IWifiStaIfaceEventCallback.hal",
+        ":android.hardware.wifi@1.0_hal",
     ],
     out: [
         "android/hardware/wifi/1.0/types.cpp",
@@ -63,20 +50,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.wifi@1.0",
     srcs: [
-        "types.hal",
-        "IWifi.hal",
-        "IWifiApIface.hal",
-        "IWifiChip.hal",
-        "IWifiChipEventCallback.hal",
-        "IWifiEventCallback.hal",
-        "IWifiIface.hal",
-        "IWifiNanIface.hal",
-        "IWifiNanIfaceEventCallback.hal",
-        "IWifiP2pIface.hal",
-        "IWifiRttController.hal",
-        "IWifiRttControllerEventCallback.hal",
-        "IWifiStaIface.hal",
-        "IWifiStaIfaceEventCallback.hal",
+        ":android.hardware.wifi@1.0_hal",
     ],
     out: [
         "android/hardware/wifi/1.0/types.h",
diff --git a/wifi/supplicant/1.0/Android.bp b/wifi/supplicant/1.0/Android.bp
index b985a93..a6c2758 100644
--- a/wifi/supplicant/1.0/Android.bp
+++ b/wifi/supplicant/1.0/Android.bp
@@ -24,19 +24,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.wifi.supplicant@1.0",
     srcs: [
-        "types.hal",
-        "ISupplicant.hal",
-        "ISupplicantCallback.hal",
-        "ISupplicantIface.hal",
-        "ISupplicantNetwork.hal",
-        "ISupplicantP2pIface.hal",
-        "ISupplicantP2pIfaceCallback.hal",
-        "ISupplicantP2pNetwork.hal",
-        "ISupplicantP2pNetworkCallback.hal",
-        "ISupplicantStaIface.hal",
-        "ISupplicantStaIfaceCallback.hal",
-        "ISupplicantStaNetwork.hal",
-        "ISupplicantStaNetworkCallback.hal",
+        ":android.hardware.wifi.supplicant@1.0_hal",
     ],
     out: [
         "android/hardware/wifi/supplicant/1.0/types.cpp",
@@ -60,19 +48,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.wifi.supplicant@1.0",
     srcs: [
-        "types.hal",
-        "ISupplicant.hal",
-        "ISupplicantCallback.hal",
-        "ISupplicantIface.hal",
-        "ISupplicantNetwork.hal",
-        "ISupplicantP2pIface.hal",
-        "ISupplicantP2pIfaceCallback.hal",
-        "ISupplicantP2pNetwork.hal",
-        "ISupplicantP2pNetworkCallback.hal",
-        "ISupplicantStaIface.hal",
-        "ISupplicantStaIfaceCallback.hal",
-        "ISupplicantStaNetwork.hal",
-        "ISupplicantStaNetworkCallback.hal",
+        ":android.hardware.wifi.supplicant@1.0_hal",
     ],
     out: [
         "android/hardware/wifi/supplicant/1.0/types.h",