Enable linker build-id for android builds. (netty#745)

Motivation:

Linker `build-id` is
[mandatory](https://firebase.google.com/docs/crashlytics/ndk-reports) to
make Firebase crashlytics recognise libraries which encounters crashes.
So since Firebase is ubiquitous to monitor app crash performance it make
sense to enable it for android builds. It only slightly increases binary
size (20 bytes) but make Firebase crash symbolication work. Here I
assume that debugging symbols are currently presented/published, if not
the case it will be handled in subsequent PRs.

Modifications:

Add build flags

Result:
build-id is now present

codec-native-quic/pom.xml

@@ -293,7 +293,7 @@
         <ldflags>-L${quicheHomeBuildDir} -lquiche -L${boringsslHomeBuildDir} -lssl -lcrypto</ldflags>
         <bundleNativeCode>META-INF/native/${jniLibName}.dll;osname=android;processor=${androidAbi}</bundleNativeCode>
         <ndkToolchain>${ANDROID_NDK_HOME}/toolchains/llvm/prebuilt/linux-x86_64</ndkToolchain>
-        <extraLdflags>-Wl,-soname=${jniLibName}.so -Wl,--strip-debug -Wl,--exclude-libs,ALL -lm</extraLdflags>
+        <extraLdflags>-Wl,-soname=${jniLibName}.so -Wl,--build-id=sha1 -Wl,--strip-debug -Wl,--exclude-libs,ALL -lm</extraLdflags>
 
         <extraConfigureArg>--host=${androidTriple}</extraConfigureArg>