[MIPSR6] Adjust prebuilts/ndk libraries for mips32r6

Change-Id: Ice2d0f65eced4fb7dd209fb15610ba555dd45f2c
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index e3b4827..489a3b5 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -35,7 +35,7 @@
 endif
 
 # Decouple NDK library selection with platform compiler version
-$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.8
+$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
 $(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9
diff --git a/core/combo/TARGET_linux-mips64.mk b/core/combo/TARGET_linux-mips64.mk
index f3ba18c..5c5610e 100644
--- a/core/combo/TARGET_linux-mips64.mk
+++ b/core/combo/TARGET_linux-mips64.mk
@@ -18,7 +18,7 @@
 # Included by combo/select.mk
 
 # You can set TARGET_ARCH_VARIANT to use an arch version other
-# than mips64. Each value should correspond to a file named
+# than mips64r6. Each value should correspond to a file named
 # $(BUILD_COMBOS)/arch/<name>.mk which must contain
 # makefile variable definitions similar to the preprocessor
 # defines in build/core/combo/include/arch/<combo>/AndroidConfig.h. Their
@@ -35,7 +35,7 @@
 endif
 
 # Decouple NDK library selection with platform compiler version
-TARGET_NDK_GCC_VERSION := 4.8
+TARGET_NDK_GCC_VERSION := 4.9
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
 TARGET_GCC_VERSION := 4.9