Auto merge of #17099 - MortimerGoro:android_arm64, r=larsbergstrom

Support for Android arm64 compilations

<!-- Please describe your changes on the following line: -->

This PR is the final step to adds support for Android arm64 compilations. See https://github.com/servo/servo/issues/11921 for previous work.

Fixes in this PR:
- Fix js dependency compilation: https://github.com/servo/rust-mozjs/pull/360
- Fix skia dependency link error: https://github.com/servo/skia/pull/136
- Fix blurdroid dependency compilation: https://github.com/szeged/blurdroid/pull/4
- Fix mio and net2 dependency compilations: https://github.com/carllerche/mio/pull/599
- Fix gcc compiler name in the fake linker
- Compile OpenSSL for aarch64 (update to stable 1.1.0 was required for this)

---
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [] These changes fix #__ (github issue number if applicable).

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- [x] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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ports/servo/build.rs

@@ -80,7 +80,7 @@ fn android_main() {
     }
 
     // compiling libandroid_native_app_glue.a
-    if Command::new(toolchain_path.join("bin").join("arm-linux-androideabi-ar"))
+    if Command::new(toolchain_path.join("bin").join(format!("{}-ar", toolchain)))
         .arg("rcs")
         .arg(directory.join("libandroid_native_app_glue.a"))
         .arg(directory.join("android_native_app_glue.o"))

ports/servo/fake-ld-arm.sh

@@ -11,4 +11,4 @@ set -o pipefail
 source fake-ld.sh
 
 export _GCC_PARAMS="${@}"
-call_gcc "arch-arm" "arm-linux-androideabi-4.9" "android-18" "armeabi"
+call_gcc "arch-arm" "arm-linux-androideabi" "android-18" "armeabi"

ports/servo/fake-ld-arm64.sh

@@ -11,4 +11,4 @@ set -o pipefail
 source fake-ld.sh
 
 export _GCC_PARAMS="${@}"
-call_gcc "arch-arm64" "aarch64-linux-android-4.9" "android-21" "arm64-v8a"
+call_gcc "arch-arm64" "aarch64-linux-android" "android-21" "arm64-v8a"

ports/servo/fake-ld-armv7.sh

@@ -11,4 +11,4 @@ set -o pipefail
 source fake-ld.sh
 
 export _GCC_PARAMS="${@}"
-call_gcc "arch-arm" "arm-linux-androideabi-4.9" "android-18" "armeabi-v7a"
+call_gcc "arch-arm" "arm-linux-androideabi" "android-18" "armeabi-v7a"

ports/servo/fake-ld.sh

@@ -18,8 +18,8 @@ call_gcc()
   export ANDROID_SYSROOT="${ANDROID_NDK}/platforms/${_ANDROID_PLATFORM}/${_ANDROID_ARCH}"
   ANDROID_TOOLCHAIN=""
   for host in "linux-x86_64" "linux-x86" "darwin-x86_64" "darwin-x86"; do
-    if [[ -d "${ANDROID_NDK}/toolchains/${_ANDROID_EABI}/prebuilt/${host}/bin" ]]; then
-      ANDROID_TOOLCHAIN="${ANDROID_NDK}/toolchains/${_ANDROID_EABI}/prebuilt/${host}/bin"
+    if [[ -d "${ANDROID_NDK}/toolchains/${_ANDROID_EABI}-4.9/prebuilt/${host}/bin" ]]; then
+      ANDROID_TOOLCHAIN="${ANDROID_NDK}/toolchains/${_ANDROID_EABI}-4.9/prebuilt/${host}/bin"
       break
     fi
   done
@@ -32,7 +32,7 @@ call_gcc()
   echo "sysroot: ${ANDROID_SYSROOT}"
   echo "targetdir: ${ANDROID_CXX_LIBS}"
 
-  "${ANDROID_TOOLCHAIN}/arm-linux-androideabi-gcc" \
+  "${ANDROID_TOOLCHAIN}/${_ANDROID_EABI}-gcc" \
     --sysroot="${ANDROID_SYSROOT}" -L "${ANDROID_CXX_LIBS}" ${_GCC_PARAMS} -lc++ \
     -o "${TARGET_DIR}/libservo.so" -shared && touch "${TARGET_DIR}/servo"
 }