Add GIA (Google Input interface Abstraction layer) related SEPolicy rules and AIDL compatibility matrices.

AVC evidences:
10-29 16:53:50.756  1305  1305 I binder:1305_2: type=1400 audit(0.0:24): avc:  denied  { search } for  name="goog_touch_interface" dev="sysfs" ino=110634 scontext=u:r:gia:s0 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=dir permissive=1
10-29 16:53:50.756  1305  1305 I binder:1305_2: type=1400 audit(0.0:25): avc:  denied  { read } for  name="interactive_calibrate" dev="sysfs" ino=110738 scontext=u:r:gia:s0 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=file permissive=1
10-29 16:53:50.756  1305  1305 I binder:1305_2: type=1400 audit(0.0:26): avc:  denied  { open } for  path="/sys/devices/virtual/goog_touch_interface/gti.0/interactive_calibrate" dev="sysfs" ino=110738 scontext=u:r:gia:s0 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=file permissive=1
10-29 16:53:50.756  1305  1305 I binder:1305_2: type=1400 audit(0.0:27): avc:  denied  { getattr } for  path="/sys/devices/virtual/goog_touch_interface/gti.0/interactive_calibrate" dev="sysfs" ino=110738 scontext=u:r:gia:s0 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=file permissive=1
10-29 16:53:50.756  1305  1305 I binder:1305_2: type=1400 audit(0.0:28): avc:  denied  { write } for  name="interactive_calibrate" dev="sysfs" ino=110738 scontext=u:r:gia:s0 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=file permissive=1

Test: Build succeed.
Test: Manually, checked whether GIA service is started successfully via command `service list`.
Bug: 367881686
Flag: build.RELEASE_PIXEL_GIA_ENABLED
Change-Id: I8069521425ff1e830d759252bf8bf460f4dc6f32
Signed-off-by: Kai Hsieh <kaihsieh@google.com>
diff --git a/input/gia/aidl/compatibility_matrix.xml b/input/gia/aidl/compatibility_matrix.xml
new file mode 100644
index 0000000..1a348ea
--- /dev/null
+++ b/input/gia/aidl/compatibility_matrix.xml
@@ -0,0 +1,10 @@
+<compatibility-matrix type="framework" version="1.0">
+    <hal format="aidl" optional="true">
+        <name>com.google.input.gia.core</name>
+        <interface>
+            <name>IGiaService</name>
+            <instance>default</instance>
+        </interface>
+        <version>1</version>
+    </hal>
+</compatibility-matrix>
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