Add an empty 1.1 ISap interface.

This is needed since manifest doesn't support different versions
for different interfaces in a package. Since there's a 1.1 for
IRadio, there needs to be a 1.1 for ISap as well.

Test: build
Bug: 63598469
Bug: 62371412
Change-Id: I7537b0074f772fab4a26d4ed97d346610784eeac
Merged-In: I9a0bd898e5d236f05d6574b3e3093521d0f57d52
diff --git a/radio/1.1/Android.bp b/radio/1.1/Android.bp
index a21bb89..32de319 100644
--- a/radio/1.1/Android.bp
+++ b/radio/1.1/Android.bp
@@ -7,6 +7,7 @@
         "IRadio.hal",
         "IRadioIndication.hal",
         "IRadioResponse.hal",
+        "ISap.hal",
     ],
 }
 
@@ -22,6 +23,7 @@
         "android/hardware/radio/1.1/RadioAll.cpp",
         "android/hardware/radio/1.1/RadioIndicationAll.cpp",
         "android/hardware/radio/1.1/RadioResponseAll.cpp",
+        "android/hardware/radio/1.1/SapAll.cpp",
     ],
 }
 
@@ -50,6 +52,11 @@
         "android/hardware/radio/1.1/BnHwRadioResponse.h",
         "android/hardware/radio/1.1/BpHwRadioResponse.h",
         "android/hardware/radio/1.1/BsRadioResponse.h",
+        "android/hardware/radio/1.1/ISap.h",
+        "android/hardware/radio/1.1/IHwSap.h",
+        "android/hardware/radio/1.1/BnHwSap.h",
+        "android/hardware/radio/1.1/BpHwSap.h",
+        "android/hardware/radio/1.1/BsSap.h",
     ],
 }