brotli: update to 1.0.7.

1.0.7

    cross compilation support:
        added ability to run cross-compiled ARM tests in qemu
        added arm-linux-gnueabihf-gcc entry to Travis build matrix
    faster decoding on ARM:
        implemented prefetching HuffmanCode entry as uint32_t if target platform is ARM
        fixed NEON extension detection
        combed Huffman table building code for better readability
    improved precision of window size calculation in CLI
    minor fixes:
        fixed typos
        improved internal comments / parameter names
        fixed BROTLI_PREDICT_TRUE/_FALSE detection for SunPro compiler
        unburdened JNI (Bazel) builds from fetching the full JDK

1.0.6

Fixes

    fix unaligned 64-bit accesses on AArch32
    add missing files to the sources list
    add ASAN/MSAN unaligned read specializations
    fix CoverityScan "unused assignment" warning
    fix JDK 8<->9 incompatibility
    unbreak Travis builds
    fix auto detect of bundled mode in cmake

(wiz)