cmake+ci: build shared and static libraries on ci

.github/workflows/android.yml

@@ -43,6 +43,8 @@ jobs:
             -DSDL_CLANG_TIDY=ON \
             -DANDROID_PLATFORM=${{ matrix.platform.android_platform }} \
             -DANDROID_ABI=${{ matrix.platform.android_abi }} \
+            -DSDL_SHARED=ON \
+            -DSDL_STATIC=ON \
             -DSDL_STATIC_PIC=ON \
             -DSDL_VENDOR_INFO="Github Workflow" \
             -DCMAKE_INSTALL_PREFIX=prefix \