Add riscv64 CtsShim APKs to the build rules

Test: lunch aosp_riscv64-userdebug && m -k
Change-Id: Iac922eb1c99c8fbe0786a0e871917a424812a740
diff --git a/packages/CtsShim/Android.bp b/packages/CtsShim/Android.bp
index 31cd760..baafe7b 100644
--- a/packages/CtsShim/Android.bp
+++ b/packages/CtsShim/Android.bp
@@ -44,6 +44,9 @@
         arm64: {
             apk: "apk/arm/CtsShimPriv.apk",
         },
+        riscv64: {
+            apk: "apk/riscv64/CtsShimPriv.apk",
+        },
         x86: {
             apk: "apk/x86/CtsShimPriv.apk",
         },
@@ -82,6 +85,9 @@
         arm64: {
             apk: "apk/arm/CtsShim.apk",
         },
+        riscv64: {
+            apk: "apk/riscv64/CtsShim.apk",
+        },
         x86: {
             apk: "apk/x86/CtsShim.apk",
         },