[WIFI][TREBLE] Uprev Wi-Fi HAL 1.2

In preparation for new feature development - uprev the Wi-Fi Treble HAL
revision from 1.1 to 1.2.

This CL does not contain any functional changes to the HAL itself. Only
updating the revision.

Bug: 65647646
Test: builds and Wi-Fi runs
Change-Id: I8e80e866562a508bf481104a3dbcf2bd8f8015b4
diff --git a/wifi/1.2/default/wifi_ap_iface.h b/wifi/1.2/default/wifi_ap_iface.h
new file mode 100644
index 0000000..b46425b
--- /dev/null
+++ b/wifi/1.2/default/wifi_ap_iface.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef WIFI_AP_IFACE_H_
+#define WIFI_AP_IFACE_H_
+
+#include <android-base/macros.h>
+#include <android/hardware/wifi/1.0/IWifiApIface.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_2 {
+namespace implementation {
+using namespace android::hardware::wifi::V1_0;
+
+/**
+ * HIDL interface object used to control a AP Iface instance.
+ */
+class WifiApIface : public V1_0::IWifiApIface {
+ public:
+  WifiApIface(const std::string& ifname,
+              const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal);
+  // Refer to |WifiChip::invalidate()|.
+  void invalidate();
+  bool isValid();
+
+  // HIDL methods exposed.
+  Return<void> getName(getName_cb hidl_status_cb) override;
+  Return<void> getType(getType_cb hidl_status_cb) override;
+  Return<void> setCountryCode(const hidl_array<int8_t, 2>& code,
+                              setCountryCode_cb hidl_status_cb) override;
+  Return<void> getValidFrequenciesForBand(
+      WifiBand band, getValidFrequenciesForBand_cb hidl_status_cb) override;
+
+ private:
+  // Corresponding worker functions for the HIDL methods.
+  std::pair<WifiStatus, std::string> getNameInternal();
+  std::pair<WifiStatus, IfaceType> getTypeInternal();
+  WifiStatus setCountryCodeInternal(const std::array<int8_t, 2>& code);
+  std::pair<WifiStatus, std::vector<WifiChannelInMhz>>
+  getValidFrequenciesForBandInternal(WifiBand band);
+
+  std::string ifname_;
+  std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
+  bool is_valid_;
+
+  DISALLOW_COPY_AND_ASSIGN(WifiApIface);
+};
+
+}  // namespace implementation
+}  // namespace V1_2
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // WIFI_AP_IFACE_H_