Add device/fwk compatibility matrices to device.

Also renamed matrix.xml to compatibility_matrix.xml.

Test: make and ensure vendor/compatibility_matrix.xml is there.
Test: adb shell vintf (see matrices, compatible = true)

Bug: 37321309
Change-Id: I4ebbedf47a576a50a42df53b72e507ed31ef2e56

core/Makefile

@@ -2341,6 +2341,7 @@ ifdef INSTALLED_SYSTEMOTHERIMAGE_TARGET
 endif
 	@# Metadata for compatibility verification.
 	$(hide) cp $(BUILT_SYSTEM_MANIFEST) $(zip_root)/META/system_manifest.xml
+	$(hide) cp $(BUILT_SYSTEM_COMPATIBILITY_MATRIX) $(zip_root)/META/system_compatibility_matrix.xml
 ifdef BUILT_VENDOR_MANIFEST
 	$(hide) cp $(BUILT_VENDOR_MANIFEST) $(zip_root)/META/vendor_manifest.xml
 endif

core/config.mk

@@ -687,6 +687,7 @@ else
 endif
 
 FRAMEWORK_MANIFEST_FILE := system/libhidl/manifest.xml
+FRAMEWORK_COMPATIBILITY_MATRIX_FILE := hardware/interfaces/compatibility_matrix.xml
 
 # ###############################################################
 # Set up final options.

target/board/Android.mk

@@ -30,6 +30,7 @@ endif
 
 # Copy compatibility metadata to the device.
 
+# Device Manifest
 ifdef DEVICE_MANIFEST_FILE
 include $(CLEAR_VARS)
 LOCAL_MODULE        := manifest.xml
@@ -45,16 +46,24 @@ include $(BUILD_PREBUILT)
 BUILT_VENDOR_MANIFEST := $(LOCAL_BUILT_MODULE)
 endif
 
+# Device Compatibility Matrix
 ifdef DEVICE_MATRIX_FILE
 include $(CLEAR_VARS)
-LOCAL_MODULE        := matrix.xml
+LOCAL_MODULE        := compatibility_matrix.xml
 LOCAL_MODULE_CLASS  := ETC
 LOCAL_MODULE_PATH   := $(TARGET_OUT_VENDOR)
-LOCAL_PREBUILT_MODULE_FILE := $(DEVICE_MATRIX_FILE)
+
+GEN := $(local-generated-sources-dir)/compatibility_matrix.xml
+$(GEN): $(DEVICE_MATRIX_FILE) $(HOST_OUT_EXECUTABLES)/assemble_vintf
+	# TODO(b/37342627): put BOARD_VNDK_VERSION & BOARD_VNDK_LIBRARIES into device matrix.
+	$(HOST_OUT_EXECUTABLES)/assemble_vintf -i $< -o $@
+
+LOCAL_PREBUILT_MODULE_FILE := $(GEN)
 include $(BUILD_PREBUILT)
 BUILT_VENDOR_MATRIX := $(LOCAL_BUILT_MODULE)
 endif
 
+# Framework Manifest
 include $(CLEAR_VARS)
 LOCAL_MODULE        := system_manifest.xml
 LOCAL_MODULE_STEM   := manifest.xml
@@ -68,3 +77,19 @@ $(GEN): $(FRAMEWORK_MANIFEST_FILE) $(HOST_OUT_EXECUTABLES)/assemble_vintf
 LOCAL_PREBUILT_MODULE_FILE := $(GEN)
 include $(BUILD_PREBUILT)
 BUILT_SYSTEM_MANIFEST := $(LOCAL_BUILT_MODULE)
+
+# Framework Compatibility Matrix
+include $(CLEAR_VARS)
+LOCAL_MODULE        := system_compatibility_matrix.xml
+LOCAL_MODULE_STEM   := compatibility_matrix.xml
+LOCAL_MODULE_CLASS  := ETC
+LOCAL_MODULE_PATH   := $(TARGET_OUT)
+
+GEN := $(local-generated-sources-dir)/compatibility_matrix.xml
+$(GEN): $(FRAMEWORK_COMPATIBILITY_MATRIX_FILE) $(HOST_OUT_EXECUTABLES)/assemble_vintf
+	# TODO(b/37405869) (b/37715375) inject avb versions as well for devices that have avb enabled.
+	POLICYVERS=$(POLICYVERS) BOARD_SEPOLICY_VERS=$(BOARD_SEPOLICY_VERS) $(HOST_OUT_EXECUTABLES)/assemble_vintf -i $< -o $@
+
+LOCAL_PREBUILT_MODULE_FILE := $(GEN)
+include $(BUILD_PREBUILT)
+BUILT_SYSTEM_COMPATIBILITY_MATRIX := $(LOCAL_BUILT_MODULE)

target/product/embedded.mk

@@ -86,9 +86,10 @@ PRODUCT_PACKAGES += \
     tzdatacheck \
     vndservice \
     vndservicemanager \
-    matrix.xml \
+    compatibility_matrix.xml \
     manifest.xml \
     system_manifest.xml \
+    system_compatibility_matrix.xml \
 
 # SELinux packages
 PRODUCT_PACKAGES += \