Refresh aarch64-gcc prebuilt.

Changes include:
- Based on GCC 4.8.2
- Add Android specific changes: -D__ANDROID__, -fpic, and
  /system/bin/linker64

Change-Id: Ife9088193be38ef48e8717f911d1604b68f080ae
diff --git a/SOURCES b/SOURCES
index 915d421..220b4d9 100644
--- a/SOURCES
+++ b/SOURCES
@@ -1,28 +1,29 @@
 Using built-in specs.
-COLLECT_GCC=/tmp/android-aarch64-4.8-2013-10-17/toolchains/aarch64-linux-android-4.8/prebuilt/linux-x86_64//bin/aarch64-linux-android-gcc
-COLLECT_LTO_WRAPPER=/tmp/android-aarch64-4.8-2013-10-17/toolchains/aarch64-linux-android-4.8/prebuilt/linux-x86_64/bin/../libexec/gcc/aarch64-linux-android/4.8/lto-wrapper
+COLLECT_GCC=/tmp/android-aarch64-4.8-2014-02-07/toolchains/aarch64-linux-android-4.8/prebuilt/linux-x86_64//bin/aarch64-linux-android-gcc
+COLLECT_LTO_WRAPPER=/tmp/android-aarch64-4.8-2014-02-07/toolchains/aarch64-linux-android-4.8/prebuilt/linux-x86_64/bin/../libexec/gcc/aarch64-linux-android/4.8/lto-wrapper
 Target: aarch64-linux-android
 Configured with: /tmp/AOSP-toolchain/build/../gcc/gcc-4.8/configure --prefix=/tmp/toolchain-build-aarch64-linux-4.8/prefix --target=aarch64-linux-android --host=x86_64-linux-gnu --build=x86_64-linux-gnu --with-gnu-as --with-gnu-ld --enable-languages=c,c++ --with-gmp=/tmp/toolchain-build-aarch64-linux-4.8/temp-install --with-mpfr=/tmp/toolchain-build-aarch64-linux-4.8/temp-install --with-mpc=/tmp/toolchain-build-aarch64-linux-4.8/temp-install --with-cloog=/tmp/toolchain-build-aarch64-linux-4.8/temp-install --with-isl=/tmp/toolchain-build-aarch64-linux-4.8/temp-install --with-ppl=/tmp/toolchain-build-aarch64-linux-4.8/temp-install --disable-ppl-version-check --disable-cloog-version-check --disable-isl-version-check --enable-cloog-backend=isl --with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm' --disable-libssp --enable-threads --disable-nls --disable-libmudflap --disable-libgomp --disable-libstdc__-v3 --disable-sjlj-exceptions --disable-shared --disable-tls --disable-libitm --enable-initfini-array --disable-nls --prefix=/tmp/toolchain-build-aarch64-linux-4.8/prefix --with-sysroot=/tmp/toolchain-build-aarch64-linux-4.8/prefix/sysroot --with-binutils-version=2.23 --with-mpfr-version=3.1.1 --with-mpc-version=1.0.1 --with-gmp-version=5.0.5 --with-gcc-version=4.8 --with-gdb-version=7.6 --with-gxx-include-dir=/tmp/toolchain-build-aarch64-linux-4.8/prefix/include/c++/4.8 --with-bugurl=http://source.android.com/source/report-bugs.html --disable-bootstrap --disable-libquadmath --enable-plugins --enable-libgomp --disable-libsanitizer --enable-gold --enable-graphite=yes --with-cloog-version=0.18.0 --with-isl-version=0.11.1 --enable-eh-frame-hdr-for-static --disable-gold --disable-libgomp --program-transform-name='s&^&aarch64-linux-android-&'
 Thread model: posix
 gcc version 4.8 (GCC) 
 
 gcc:
-commit 1c712bf7621f3859c33fd3afaa61fdcaf3fdfd76
-Author: Iceberg Fu <Chao-Ying.Fu@imgtec.com>
-
-    Fix mips64 to use ABI_64 by default
-
-binutils:
-commit 9ddab0875454b0b5a8329a63c01b71880170575e
-Author: Pavel Chupin <pavel.v.chupin@intel.com>
-
-    [2.23] Use relative relocation for R_X86_64_32 on x32
-
-gdb:
-commit 2f1caff8ab3e6f7d34c8e58bd199ef518cfd2202
+commit b5aaea5adb031d0b60b6fd60148f50be894e9c5c
+Merge: 231fbaf e1fce51
 Author: Andrew Hsieh <andrewhsieh@google.com>
 
-    [7.3.x] Add one clue to find prebuilt python for Android platform debugging
+    Merge "Define bionic aarch64 linker path."
+
+binutils:
+commit 4c195079b72a16cb62cb9a6e8010b3dc0202795b
+Author: Alexander Ivchenko <alexander.ivchenko@intel.com>
+
+    [2.22, 2.23] Fix alignment for data segment for 64 bits.
+
+gdb:
+commit 899a2eec7872cfdcf06e84c49b307c46df64ef69
+Author: Pavel Chupin <pavel.v.chupin@intel.com>
+
+    [7.3.x] Fix build with texinfo-5.0
 
 gmp:
 commit e6b9669dafc6a5f83c80b4b4176359b78bccdc90