Merge "[pm] clarify error message and comments for app install with RenderScript" into sc-dev

                String[] abiList = (cpuAbiOverride != null)

                        ? new String[]{cpuAbiOverride} : Build.SUPPORTED_ABIS;

                // Enable gross and lame hacks for apps that are built with old

                // SDK tools. We must scan their APKs for renderscript bitcode and

                // not launch them if it's present. Don't bother checking on devices

                // that don't have 64 bit support.

                // If an app that contains RenderScript has target API level < 21, it needs to run

                // with 32-bit ABI, and its APK file will contain a ".bc" file.

                // If an app that contains RenderScript has target API level >= 21, it can run with

                // either 32-bit or 64-bit ABI, and its APK file will not contain a ".bc" file.

                // Therefore, on a device that supports both 32-bit and 64-bit ABIs, we scan the app

                // APK to see if it has a ".bc" file. If so, we will run it with 32-bit ABI.

                // However, if the device only supports 64-bit ABI but does not support 32-bit ABI,

                // we will fail the installation for such an app because it won't be able to run.

                boolean needsRenderScriptOverride = false;

                // No need to check if the device only supports 32-bit

                if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null

                        && NativeLibraryHelper.hasRenderscriptBitcode(handle)) {

                    if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {

                    } else {

                        throw new PackageManagerException(

                                INSTALL_FAILED_CPU_ABI_INCOMPATIBLE,

                                "Apks with renderscript are not supported on 64-bit only devices");

                                "Apps that contain RenderScript with target API level < 21 are not "

                                        + "supported on 64-bit only platforms");

                    }

                }