Add interface definition for binderized Keymaster HAL

Test: accepted by hidl-gen
Bug: 32020919,32962548
Change-Id: Ib0decb231527e944e6b673017b721ea4601b7b2a
diff --git a/keymaster/3.0/Android.bp b/keymaster/3.0/Android.bp
new file mode 100644
index 0000000..3c2034b
--- /dev/null
+++ b/keymaster/3.0/Android.bp
@@ -0,0 +1,56 @@
+// This file is autogenerated by hidl-gen. Do not edit manually.
+
+genrule {
+    name: "android.hardware.keymaster@3.0_genc++",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.keymaster@3.0",
+    srcs: [
+        "types.hal",
+        "IKeymasterDevice.hal",
+    ],
+    out: [
+        "android/hardware/keymaster/3.0/types.cpp",
+        "android/hardware/keymaster/3.0/KeymasterDeviceAll.cpp",
+    ],
+}
+
+genrule {
+    name: "android.hardware.keymaster@3.0_genc++_headers",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.keymaster@3.0",
+    srcs: [
+        "types.hal",
+        "IKeymasterDevice.hal",
+    ],
+    out: [
+        "android/hardware/keymaster/3.0/types.h",
+        "android/hardware/keymaster/3.0/IKeymasterDevice.h",
+        "android/hardware/keymaster/3.0/IHwKeymasterDevice.h",
+        "android/hardware/keymaster/3.0/BnKeymasterDevice.h",
+        "android/hardware/keymaster/3.0/BpKeymasterDevice.h",
+        "android/hardware/keymaster/3.0/BsKeymasterDevice.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.keymaster@3.0",
+    generated_sources: ["android.hardware.keymaster@3.0_genc++"],
+    generated_headers: ["android.hardware.keymaster@3.0_genc++_headers"],
+    export_generated_headers: ["android.hardware.keymaster@3.0_genc++_headers"],
+    shared_libs: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "liblog",
+        "libutils",
+        "libcutils",
+        "android.hidl.base@1.0",
+    ],
+    export_shared_lib_headers: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "libutils",
+        "android.hidl.base@1.0",
+    ],
+}