Add device compatibility matrix

Test: m system_manifest.xml -j
Bug: 37954458
Change-Id: Iedcbba5d59e407d1d84d60a58f3a79843066c68d
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 94ac049..ca110af 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -123,3 +123,4 @@
 
 # Vendor Interface Manifest
 DEVICE_MANIFEST_FILE := device/google/dragon/manifest.xml
+DEVICE_MATRIX_FILE := device/google/dragon/compatibility_matrix.xml
diff --git a/compatibility_matrix.xml b/compatibility_matrix.xml
new file mode 100644
index 0000000..8fde25c
--- /dev/null
+++ b/compatibility_matrix.xml
@@ -0,0 +1,30 @@
+<compatibility-matrix version="1.0" type="device">
+    <hal format="hidl" optional="false">
+        <name>android.frameworks.schedulerservice</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.frameworks.sensorservice</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.hidl.allocator</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.hidl.manager</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.hidl.memory</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.hidl.token</name>
+        <version>1.0</version>
+    </hal>
+    <hal format="hidl" optional="false">
+        <name>android.system.wifi.keystore</name>
+        <version>1.0</version>
+    </hal>
+</compatibility-matrix>