Use filegroup as genrule srcs.

Test: mmma hardware/interfaces -j64
Change-Id: If282ed5f4a87045d169fcea7ad648b046a5f1cfb
diff --git a/radio/1.0/Android.bp b/radio/1.0/Android.bp
index d9df910..f59cf66 100644
--- a/radio/1.0/Android.bp
+++ b/radio/1.0/Android.bp
@@ -17,12 +17,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.radio@1.0",
     srcs: [
-        "types.hal",
-        "IRadio.hal",
-        "IRadioIndication.hal",
-        "IRadioResponse.hal",
-        "ISap.hal",
-        "ISapCallback.hal",
+        ":android.hardware.radio@1.0_hal",
     ],
     out: [
         "android/hardware/radio/1.0/types.cpp",
@@ -39,12 +34,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.radio@1.0",
     srcs: [
-        "types.hal",
-        "IRadio.hal",
-        "IRadioIndication.hal",
-        "IRadioResponse.hal",
-        "ISap.hal",
-        "ISapCallback.hal",
+        ":android.hardware.radio@1.0_hal",
     ],
     out: [
         "android/hardware/radio/1.0/types.h",
diff --git a/radio/1.0/Android.mk b/radio/1.0/Android.mk
index 7f4c7d4..9e9588a 100644
--- a/radio/1.0/Android.mk
+++ b/radio/1.0/Android.mk
@@ -74,6 +74,25 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (ApnTypes)
+#
+GEN := $(intermediates)/android/hardware/radio/V1_0/ApnTypes.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.radio@1.0::types.ApnTypes
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build types.hal (AppState)
 #
 GEN := $(intermediates)/android/hardware/radio/V1_0/AppState.java
@@ -3089,6 +3108,25 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (ApnTypes)
+#
+GEN := $(intermediates)/android/hardware/radio/V1_0/ApnTypes.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.radio@1.0::types.ApnTypes
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build types.hal (AppState)
 #
 GEN := $(intermediates)/android/hardware/radio/V1_0/AppState.java